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AIRTAC 3V3 Series Solenoid Valve

AIRTAC 3V3 Series Solenoid Valve

  • Product Features
  • Specifications
  • Electrical Specifications
  • Product Ordering Code

Product Features

  • Direct acting structure, with sensitive commutation.
  • Normally Closed (NC) and Normally Open (NO) types are available.
  • Valve body cut-off structure, with good sealing performance and large flow rate.
  • No need for lubrication.
  • Equipped with a manual override, convenient for installation and debugging.
  • Multiple standard voltage levels are available for selection.
  • Can be used for vacuum (negative pressure) applications.

Specifications

Model 3V308
Working Medium Air (filtered through 40µm filter or finer)
Operation Type Direct Acting
Port Size [Note 1] PT1/4
Positions Three-way Two-position
Effective Orifice 11mm² (Cv≈0.62)
Lubrication No need
Operating Pressure Range (General) 0~0.8MPa (0~114psi)
Negative Pressure Range -102.2kPa~-0.1MPa (-1.45~-14.2psi)
Proof Pressure 1.2MPa (175psi)
Working Temperature -20~70°C
Body Material Aluminum Alloy
[Note 1] G thread and NPT thread are optional for port thread type.

Electrical Specifications

Item Specific Parameter
Standard Voltage AC220V, AC110V, AC24V, DC24V, DC12V
Operating Voltage Range AC: ±15%; DC: ±10%
Power Consumption AC: 10VA; DC: 6.5W
Protection Degree IP65 (DIN40050)
Insulation Class B Class
Wiring Form DIN Socket Type, Lead Wire Type
Excitation Time Below 0.05 seconds
Maximum Operating Frequency [Note 1] 10 times/second
[Note 1] The maximum operating frequency is for the air condition.

Product Ordering Code

Example Code: 3V 3 08 NC A      

1. Model Code 2. Series Code 3. Port Size 4. Initial State 5. Standard Voltage 6. Wiring Form 7. Thread Type Code
3V: Three-way Two-position Solenoid Valve 3: 3 Series 08: 1/4" NC: Normally Closed Type A: AC220V Blank: DIN Socket Type Blank: PT Thread
NO: Normally Open Type B: DC24V I: Lead Wire Type [Note] G: G Thread
C: AC110V T: NPT Thread
E: AC24V
F: DC12V
Note: The standard wire length for the lead-wire type is 0.5m.
  • Airtac 3V3 series: pneumatic solenoid valve - 3V308NCBI Airtac 3V3 series: pneumatic solenoid valve - 3V308NCBI

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCBI

    Specifications: 3V308NCBI — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally closed; DC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCBI 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed B DC24V I Lead wire, 0.5 m Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NCBI Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOBI

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOBI

    Specifications: 3V308NOBI — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally open; DC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOBI 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open B DC24V I Lead wire, 0.5 m Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NOBI Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • Airtac 3V3-08-NC: Solenoid valve(3/2 way) - 3V308NCB

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCB

    Specifications: 3V308NCB — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally closed; DC24V; DIN connector. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCB 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed B DC24V Blank electrical code DIN connector Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NCB Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection DIN connector Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing DIN-connector version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 71.5 across the indicated valve and DIN-connector envelope. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • Airtac 3V3-08-NO: Solenoid valve(3/2 way) - 3V308NOA

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOB

    Specifications: 3V308NOB — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally open; DC24V; DIN connector. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOB 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open B DC24V Blank electrical code DIN connector Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NOB Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection DIN connector Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing DIN-connector version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 71.5 across the indicated valve and DIN-connector envelope. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • Airtac 3V3-08-NO: Solenoid valve(3/2 way) - 3V308NOAT Airtac 3V3-08-NO: Solenoid valve(3/2 way) - 3V308NOBT - 2

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOBT

    Specifications: 3V308NOBT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally open; DC24V; DIN connector. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOBT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open B DC24V Blank electrical code DIN connector T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NOBT Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection DIN connector Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing DIN-connector version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 71.5 across the indicated valve and DIN-connector envelope. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOFIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOFIT

    Specifications: 3V308NOFIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally open; DC12V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOFIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open F DC12V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NOFIT Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC12V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOEIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOEIT

    Specifications: 3V308NOEIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally open; AC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOEIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open E AC24V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NOEIT Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC24V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOCIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOCIT

    Specifications: 3V308NOCIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally open; AC110V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOCIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open C AC110V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NOCIT Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC110V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOBIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOBIT

    Specifications: 3V308NOBIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally open; DC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOBIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open B DC24V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NOBIT Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOAIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOAIT

    Specifications: 3V308NOAIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally open; AC220V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOAIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open A AC220V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NOAIT Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC220V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NCFIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCFIT

    Specifications: 3V308NCFIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally closed; DC12V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCFIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed F DC12V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NCFIT Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC12V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NCEIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCEIT

    Specifications: 3V308NCEIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally closed; AC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCEIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed E AC24V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NCEIT Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC24V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NCCIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCCIT

    Specifications: 3V308NCCIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally closed; AC110V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCCIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed C AC110V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NCCIT Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC110V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • Airtac 3V3 series: pneumatic solenoid valve - 3V308NCBIT Airtac 3V3 series: pneumatic solenoid valve - 3V308NCBIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCBIT

    Specifications: 3V308NCBIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally closed; DC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCBIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed B DC24V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NCBIT Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NCAIT

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NCAIT

    Specifications: 3V308NCAIT — 3/2-way solenoid valve, series 3; 1/4-inch ports, NPT1/4 thread; normally closed; AC220V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NCAIT 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NC Normally closed A AC220V I Lead wire, 0.5 m T NPT1/4 thread Technical Specifications Parameter Value Model 3V308NCAIT Valve type 3/2-way; direct acting; normally closed Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; NPT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC220V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NC model: De-energized: P is blocked and A connects to R. Energized: P connects to A and R is blocked. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: NPT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOFIG

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOFIG

    Specifications: 3V308NOFIG — 3/2-way solenoid valve, series 3; 1/4-inch ports, G1/4 thread; normally open; DC12V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses G1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOFIG 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open F DC12V I Lead wire, 0.5 m G G1/4 thread Technical Specifications Parameter Value Model 3V308NOFIG Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; G1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC12V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: G1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOEIG

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOEIG

    Specifications: 3V308NOEIG — 3/2-way solenoid valve, series 3; 1/4-inch ports, G1/4 thread; normally open; AC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses G1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOEIG 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open E AC24V I Lead wire, 0.5 m G G1/4 thread Technical Specifications Parameter Value Model 3V308NOEIG Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; G1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC24V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: G1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOCIG

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOCIG

    Specifications: 3V308NOCIG — 3/2-way solenoid valve, series 3; 1/4-inch ports, G1/4 thread; normally open; AC110V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses G1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOCIG 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open C AC110V I Lead wire, 0.5 m G G1/4 thread Technical Specifications Parameter Value Model 3V308NOCIG Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; G1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC110V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: G1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOBIG

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOBIG

    Specifications: 3V308NOBIG — 3/2-way solenoid valve, series 3; 1/4-inch ports, G1/4 thread; normally open; DC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses G1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOBIG 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open B DC24V I Lead wire, 0.5 m G G1/4 thread Technical Specifications Parameter Value Model 3V308NOBIG Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; G1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC24V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: G1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOAIG

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOAIG

    Specifications: 3V308NOAIG — 3/2-way solenoid valve, series 3; 1/4-inch ports, G1/4 thread; normally open; AC220V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses G1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOAIG 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open A AC220V I Lead wire, 0.5 m G G1/4 thread Technical Specifications Parameter Value Model 3V308NOAIG Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; G1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC220V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: G1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOFI

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOFI

    Specifications: 3V308NOFI — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally open; DC12V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOFI 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open F DC12V I Lead wire, 0.5 m Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NOFI Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage DC12V Allowable voltage variation ±10% for this DC coil Power consumption 6.5 W per DC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOEI

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOEI

    Specifications: 3V308NOEI — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally open; AC24V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOEI 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open E AC24V I Lead wire, 0.5 m Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NOEI Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC24V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOCI

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOCI

    Specifications: 3V308NOCI — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally open; AC110V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOCI 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open C AC110V I Lead wire, 0.5 m Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NOCI Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC110V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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  • 3V308NOAI

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    Airtac 3V3 series: pneumatic solenoid valve - 3V308NOAI

    Specifications: 3V308NOAI — 3/2-way solenoid valve, series 3; 1/4-inch ports, PT1/4 thread; normally open; AC220V; lead wire, 0.5 m. Product Catalog Download Airtac Product Catalog (PDF) For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. The linked English catalog illustrates the NPT ordering version. This model uses PT1/4 as specified by its thread code in the 2022 series catalog. Airtac 3V3 series valves are functional alternatives to SMC VT317 series valves. Model Code Explained Parameter Meaning in 3V308NOAI 3V Three-port, two-position solenoid valve 3 Series 3 08 1/4-inch connection size NO Normally open A AC220V I Lead wire, 0.5 m Blank thread code PT1/4 thread Technical Specifications Parameter Value Model 3V308NOAI Valve type 3/2-way; direct acting; normally open Working medium Air, filtered through a 40 μm filter element. Ports Three 1/4-inch ports; PT1/4 thread. P = supply, A = working outlet, R = exhaust. Effective flow area 11 mm²; Cv = 0.62 Lubrication Not required Operating pressure 0–0.8 MPa (0–114 psi), standard positive-pressure operation Vacuum use Suitable for vacuum (negative-pressure) applications. Confirm the permissible vacuum range with the supplier before selection. Proof pressure 1.2 MPa (175 psi); not the normal operating-pressure limit Working temperature −20 to 70°C Body material Aluminum alloy Reference weight 227 g (0.227 kg) per valve. Catalog value is for reference only; actual product weight governs. Electrical Specifications Parameter Value Rated voltage AC220V Allowable voltage variation ±15% for this AC coil Power consumption 10 VA per AC coil Electrical connection Lead wire, 0.5 m Protection rating IP65 (DIN40050) Insulation class Class B Energizing time 0.05 s or less Maximum operating frequency 10 cycles/s, under no-load conditions Features and Operation Direct-acting construction provides responsive switching. The coaxial poppet structure provides effective sealing and high flow. No added lubrication is required. A manual override assists installation and commissioning. Normally closed and normally open versions and multiple standard voltages are available as separate ordering choices. Vacuum applications are supported, subject to confirmation of the required operating range. This NO model: De-energized: P connects to A and R is blocked. Energized: P is blocked and A connects to R. Refer to the PDF pneumatic symbols for port relationships and actuation. External and Mounting Dimensions Parameter Dimension / drawing location Applicable drawing Lead-wire version; all dimensions below are in mm. Overall height 91 Body width 38 in the dimensioned front and side body views Side-view horizontal span 42 across the indicated valve/coil envelope; flexible wire is not included in this dimension. Threaded mounting holes 2 × M5 × 0.8, depth 10; mounting-hole offsets are 30 horizontally and 30 vertically in the mounting-face view. Through holes 2 × Ø4.2, shown in the manual-button plan view. Port locations Three ports. Left view: port centre 27 above the base. Side view: port centre 13 above the base. A-port view: outlet centre 19 above the base. Local 29 dimension The side view marks a local reference height of 29 from the base. Follow the PDF dimension lines for its exact endpoints; this is not the overall body height. Port thread in drawing Three ports of the selected thread type: PT1/4. The catalog illustrations may show a different thread option; order by this model’s thread code. Manual override Manual button position is identified in the plan view. Use each dimension in its indicated view; separate callouts do not form a single length × width × height specification. Consult the PDF for dimension lines, hole locations and clearance around the connector or wire. For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog. Flow Characteristics The catalog flow graph is labeled 3V308NC. Its horizontal axis is flow in L/min, from 0 to 900 in 100 L/min divisions. Its vertical axis is operating pressure in MPa, from 0 to 0.7 in 0.1 MPa divisions. Read the complete curves in the PDF to relate pressure and flow; 900 L/min is the graph scale limit, not a rated-flow specification. For this normally open model, the 3V308NC flow graph is a series reference only. Internal Components Numbered components shown in the product cross-section: Parameter Part name 1 Countersunk screw 2 Spool assembly 3 Spring 4 Body 5 Spacer sleeve 6 Washer 7 Electromagnet assembly 8 Push rod 9 Coil 10 Movable armature 11 Retaining washer 12 Retaining nut 13 Manual button 14 Terminal washer 15 Terminal Series Ordering Options Reference options for the 3V3 series, separate from this model’s selected configuration: Parameter Available options Port size 08 = 1/4 inch Initial state NC = normally closed; NO = normally open Voltage code A = AC220V; B = DC24V; C = AC110V; E = AC24V; F = DC12V Electrical connection Blank = DIN connector; I = lead wire, length 0.5 m Thread code Blank = PT; G = G thread; T = NPT. All refer to the 1/4-inch size for 3V308.

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