Airtac 3A series: air-piloted directional valve - 3A32008T

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Description

Specifications

3A32008T is an AirTAC 3A300 series, 3-port, 2-position air-operated directional valve with two-position double air pilot and 1/4 in NPT thread main connections. It uses external pneumatic pilot control.

Model Code Explained

Code Meaning for this model
3A 3-port directional air valve family
3 300 size series
20 two-position double air pilot
08 Main port nominal size: 1/4 in
(no NC/NO code) Double air pilot; initial-state code is omitted
T NPT thread

Product Catalog

Download AirTAC Product Catalog (PDF)

For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

Technical Data

Parameter Details
Valve function 3 ports / 2 positions
Actuation two-position double air pilot
Working medium Air filtered through a 40 µm filter element
Operating pressure 0.15–0.8 MPa
Proof pressure 1.2 MPa
Operating temperature −20 to 70 °C
Body material Aluminum alloy
Lubrication Not required
Maximum actuation frequency 5 cycles/s, no-load condition
Supply and outlet ports 1/4 in NPT thread
Exhaust connection nominal size 1/4 in
Pilot connection nominal size 1/4 in
Reference weight 232 g

Weight source: 2022 printed page 300: 3A320 size/actuation reference. This is a catalog reference weight, not a measured packed shipping weight.

Operation and Catalog Notes

  • The two pilot signals select the two spool positions. The catalog describes the double-air-control arrangement as having a memory function.
  • Sliding-spool construction is designed for sealing and sensitive response. The internal bore uses special processing to reduce friction and starting pressure and support service life.
  • Oil lubrication is not required. If lubricated air is introduced, lubrication must be continued; the catalog recommends ISO VG32 oil or equivalent.
  • Maximum actuation frequency is specified under no-load conditions. Effective area and Cv values are calculated from flow-test data.
  • The catalog provides multiple mounting positions and a matching manifold arrangement for compact valve groups.

Flow Characteristics

Catalog model reference Published effective area / Cv
3A310-10 / 3A320-10 Effective area 28 mm²; Cv 1.65

The flow curve is labeled 3A310-10-NO. Its axes show operating pressure from 0 to 0.7 MPa and flow in L/min; values are AirTAC laboratory test data. The printed chart range is 0–3200 L/min, which is an axis range rather than a guaranteed operating flow. The figures above retain the exact model labels printed in the table; no unprinted flow rating is assigned to another port size or center function.

Dimensions and Mounting

Dimensions follow the applicable drawing in the 2022 catalog, printed page 106. Numerical linear dimensions are in millimeters. Lettered references retain the catalog labels; unlabeled callouts are identified by the view and feature. Threaded connections are shown separately. The drawing uses the standard PT version; the selected thread option is stated in the model code table.

Parameter Details
Overall length 96 mm
Body width 40 mm
Body thickness 27 mm
Mounting transverse reference 20 mm
Side mounting offset 10.5 mm
Side hole pitch 30 mm
Side lower hole reference 33 mm
Three-port face port pitch 24 mm
Three-port face lower port reference 36 mm
Opposite face port height 48 mm
Opposite face hole pitch 35 mm
Opposite face lower hole reference 30.5 mm
Opposite face offset 0 mm
Side mounting holes 2 x diameter 4.3 mm
Opposite face mounting holes 2 x diameter 4.3 mm
Pilot connection 2 x 1/4 in (PT in standard drawing)
Main connection count 3 ports: P supply, A outlet, R exhaust

For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

Accessories and Ordering Options

The 2022 manifold page 122 explicitly pairs 3A300 valves with 3V300M manifolds (1–16 stations). The matching blank-plate kit is P-3V300M-R2. Manifold kits list manifold, seal and screws; blank-plate kits list blank plate and screws. These are separately identified accessory kits; screw and seal quantities are not stated.

M5 models omit the thread suffix. Other sizes are ordered with blank = PT, G = G thread, or T = NPT. Single-air-control 3A models require NC or NO; double-air-control 3A models omit that code.

Original Product Statement

3A300 is a functional alternative to the SMC VPA5_2 series.

Product form

Specifications 3A32008T is an AirTAC 3A300 series, 3-port, 2-position air-operated directional valve with two-position double air pilot and 1/4 in... Read more

SKU: 3A32008T

$41.65 Incl. VAT

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    Please check the full model number, dimensions, thread type, stroke and voltage where applicable before ordering. If you are unsure, email airtacs@airtacs.com with the model number and required specifications.

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    Description

    Specifications

    3A32008T is an AirTAC 3A300 series, 3-port, 2-position air-operated directional valve with two-position double air pilot and 1/4 in NPT thread main connections. It uses external pneumatic pilot control.

    Model Code Explained

    Code Meaning for this model
    3A 3-port directional air valve family
    3 300 size series
    20 two-position double air pilot
    08 Main port nominal size: 1/4 in
    (no NC/NO code) Double air pilot; initial-state code is omitted
    T NPT thread

    Product Catalog

    Download AirTAC Product Catalog (PDF)

    For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

    Technical Data

    Parameter Details
    Valve function 3 ports / 2 positions
    Actuation two-position double air pilot
    Working medium Air filtered through a 40 µm filter element
    Operating pressure 0.15–0.8 MPa
    Proof pressure 1.2 MPa
    Operating temperature −20 to 70 °C
    Body material Aluminum alloy
    Lubrication Not required
    Maximum actuation frequency 5 cycles/s, no-load condition
    Supply and outlet ports 1/4 in NPT thread
    Exhaust connection nominal size 1/4 in
    Pilot connection nominal size 1/4 in
    Reference weight 232 g

    Weight source: 2022 printed page 300: 3A320 size/actuation reference. This is a catalog reference weight, not a measured packed shipping weight.

    Operation and Catalog Notes

    • The two pilot signals select the two spool positions. The catalog describes the double-air-control arrangement as having a memory function.
    • Sliding-spool construction is designed for sealing and sensitive response. The internal bore uses special processing to reduce friction and starting pressure and support service life.
    • Oil lubrication is not required. If lubricated air is introduced, lubrication must be continued; the catalog recommends ISO VG32 oil or equivalent.
    • Maximum actuation frequency is specified under no-load conditions. Effective area and Cv values are calculated from flow-test data.
    • The catalog provides multiple mounting positions and a matching manifold arrangement for compact valve groups.

    Flow Characteristics

    Catalog model reference Published effective area / Cv
    3A310-10 / 3A320-10 Effective area 28 mm²; Cv 1.65

    The flow curve is labeled 3A310-10-NO. Its axes show operating pressure from 0 to 0.7 MPa and flow in L/min; values are AirTAC laboratory test data. The printed chart range is 0–3200 L/min, which is an axis range rather than a guaranteed operating flow. The figures above retain the exact model labels printed in the table; no unprinted flow rating is assigned to another port size or center function.

    Dimensions and Mounting

    Dimensions follow the applicable drawing in the 2022 catalog, printed page 106. Numerical linear dimensions are in millimeters. Lettered references retain the catalog labels; unlabeled callouts are identified by the view and feature. Threaded connections are shown separately. The drawing uses the standard PT version; the selected thread option is stated in the model code table.

    Parameter Details
    Overall length 96 mm
    Body width 40 mm
    Body thickness 27 mm
    Mounting transverse reference 20 mm
    Side mounting offset 10.5 mm
    Side hole pitch 30 mm
    Side lower hole reference 33 mm
    Three-port face port pitch 24 mm
    Three-port face lower port reference 36 mm
    Opposite face port height 48 mm
    Opposite face hole pitch 35 mm
    Opposite face lower hole reference 30.5 mm
    Opposite face offset 0 mm
    Side mounting holes 2 x diameter 4.3 mm
    Opposite face mounting holes 2 x diameter 4.3 mm
    Pilot connection 2 x 1/4 in (PT in standard drawing)
    Main connection count 3 ports: P supply, A outlet, R exhaust

    For detailed product dimensions and mounting drawings, please download and refer to the PDF catalog.

    Accessories and Ordering Options

    The 2022 manifold page 122 explicitly pairs 3A300 valves with 3V300M manifolds (1–16 stations). The matching blank-plate kit is P-3V300M-R2. Manifold kits list manifold, seal and screws; blank-plate kits list blank plate and screws. These are separately identified accessory kits; screw and seal quantities are not stated.

    M5 models omit the thread suffix. Other sizes are ordered with blank = PT, G = G thread, or T = NPT. Single-air-control 3A models require NC or NO; double-air-control 3A models omit that code.

    Original Product Statement

    3A300 is a functional alternative to the SMC VPA5_2 series.

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