Airtac SCJ series: adjustable double-rod cylinder - SCJ250X118-10STCG

Photos are for reference only. Not all models have pictures.

Description

Specifications: SCJ250X118-10STCG — Airtac SCJ double-rod, double-acting stroke-adjustable tie-rod cylinder; 250 mm bore, 118 mm nominal stroke, 10 mm adjustment option, with magnet, NBR seal option and G1 working ports.

Product Catalog

Download Airtac Product Catalog (PDF)

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

Model Code Explained

Code Meaning
SCJ Double-rod, double-acting cylinder with adjustable stroke
250 250 mm bore
X Separator before nominal stroke
118 118 mm nominal stroke
- Separator before adjustment stroke
10 10 mm adjustment-stroke option
S Magnetic piston
TC Trunnion mount
No seal-material suffix NBR seal option
G G1 working ports

Technical Specifications

Parameter Value
Model SCJ250X118-10STCG
Action Double acting, double rod, adjustable stroke
Bore 250 mm
Nominal stroke 118 mm; Special stroke; confirm order and delivery conditions
Adjustment stroke 10 mm adjustment option, not a second powered stroke
Construction Tie-rod; ISO6430: SC-family design reference, not verified SCJ overall conformity
Magnetic piston With magnet; sensors separately selected
Mounting selection Trunnion mount
Seal option NBR; basic O-ring materials are family references
Port thread G1; two working air ports
Working medium Clean compressed air; 40 µm or finer filtration
Operating pressure 0.15–1.0 MPa (1.5–10 bar; approximately 22–145 psi)
Proof pressure 1.5 MPa (15 bar); not continuous operating pressure
Operating temperature −20 to 70 °C; avoid freezing condensate
Piston speed 30–500 mm/s; match controls to load, piping and adjustment
Nominal-stroke tolerance +1 / 0 mm
Cushioning Adjustable pneumatic cushioning; 40 mm nominal cushion-stroke reference
Rod diameter / end thread 50 mm / M42×2.0
Sensor selection CMSG, DMSG or EMSG G-profile sensor with the specified tie-rod holder
Estimated cylinder weight 30165 g; engineering reference, not measured shipping weight

Engineering weight estimate using the same-bore SC catalog as a baseline plus an equivalent extra-rod allowance with representative steel density. The adjustment mechanism, changed covers and internal details are not separately mass-resolved. Mounts, rod-end joints, sensors, fittings and packaging are excluded. This is not an official SCJ net mass or a measured shipping weight; no error bound is established. Use the actual weighed assembly for handling and shipping.

Confirm actual travel, stop setting and end positions; the adjustment code alone does not specify usable travel. Check cushioning at the setting; strokes shorter than 40 mm cannot provide full nominal cushion travel.

Features and Operation

SCJ provides double-acting through-rod motion and stroke adjustment. Family references: aluminium-alloy barrel and covers with tie rods, compact bidirectional grease-retaining piston seal, adjustable pneumatic cushioning.

Confirm the ordered cylinder for the 150 °C special-seal feature; this NBR configuration remains −20 to 70 °C.

External and Mounting Dimensions

Dimensions: mm except threads; magnetic/nonmagnetic basic dimensions are equal. Drawing lengths do not guarantee the installed/moving envelope. Check clearance for both rods, adjustment, mounts, rod joints, fittings and sensors.

Parameter Value
Overall drawing reference: A + 2 × stroke + adjustment 655 mm = 409 + 2 × 118 + 10
Body face span: AC + stroke 271 mm = 153 + 118
Rear drawing span: DB + stroke + adjustment 208 mm = 80 + 118 + 10
Rear adjustment reference: DB + adjustment 90 mm = 80 + 10
Body width × height 267 × 267 mm (□B)
Mounting holes 8 × M20×2.5 (K), 26.5 mm deep (KA); 202 × 202 mm centers (□KB)
Rod diameter / end thread D = 50 mm; E = M42×2.0; EA = 84 mm
Front locating and local geometry M = 86; MA = 35; AB = 141; DA = 106; F = 65; FA = 21; H = 46 mm
Cover / port local geometry AD = 48; AE = 48; PA = 25.5; PB = 22 mm; P = G1
Parameter Value
Selected accessory TC: Trunnion mount; part F-SC250TC
Material Ductile cast iron
C + stroke 271 mm = 153 + 118
Accessory dimensions (mm) EB = 394; ED = 202; EE = 304; EP = 45; ET = 56; I = 65; S = 267
Trunnion center from body face 135.5 mm = (153 + 118) / 2; illustrated midpoint between body faces

Accessory/body dimensions do not replace the SCJ overall formula. Order TC with the cylinder, match TCM1 and use its specified position; do not arbitrarily reposition TC.

Mounting and Rod-End Accessories

Mounting: basic, LB, FA or TC with TCM1; match load direction and motion. Listed parts do not imply included supply/quantity. Confirm assembly and support quantities for seller-defined TC+TCM1.

Part / assembly code Application and reference
F-SC250LB Foot mount; Ductile cast iron
F-SC250FA Front flange; Cast steel
F-SC250TC Trunnion mount; Ductile cast iron; order with the cylinder and match TCM1
F-SC250TCM1 Trunnion support; Ductile cast iron
F-M42X200I I-type rod-end joint; 4123 g catalog reference. Drawing dimensions: NC = 40; ND = 168; NE = 211; NF = 85; NG = 62; NH = M42×2.0; NM = 40.
F-M42X200Y Y-type rod-end joint; 5480 g catalog reference. Drawing dimensions: NA = 85; NC = 40; ND = 168; NP = 86; NQ = 211; NM = 40.3; NH = M42×2.0; PA = 115; PB = 93.

The rod-end choices use M42×2.0. Dimensions are in mm except threads and angles. Carbon-steel classification does not specify all subcomponents/finishes. Add only supplied accessory mass.

Verify genuine SCJ seal kits, wear rings, guide bushings, nuts, covers and adjustment parts by exact model, seal and production revision. Drawing numbers and bore size are not service ordering codes. Replacement magnets concern magnetic configurations only.

Force and Circuit Selection

Parameter Value
Ideal effective area, both directions 47123.89 mm² = π / 4 × (250² − 50²)
Calculated force at 0.5 MPa, both directions 23561.94 N
Force calculation Force (N) = annular pressure area (mm²) × pressure (MPa), before friction, backpressure and dynamic losses
Load-ratio guidance Up to 0.7 at static/low speed, 0.5 at 50–500 mm/s and 0.3 above 500 mm/s, subject to cylinder speed limits; not guaranteed payload/structural safety factors

Equal-diameter through-rod calculation. Size for annular area, load, adjusted travel, line losses, valve flow and exhaust backpressure; bore alone does not determine speed/payload.

Installation and Maintenance

Qualified staff must select, install and service the system. Guard both moving rod ends and secure the cylinder, loads and attachments. Before service or adjustment, isolate air and electricity, vent pressure and secure motion. Design safe responses to air/power loss, emergency stops and restart.

Check protection from corrosive gas, chemicals, solvents, salt, water or steam, explosive atmospheres, vibration, radiant heat and sunlight. Protect sliding surfaces from damage, dust, humidity, splashes, oil and coolant. Prevent condensate freezing; external magnetic fields may disturb magnetic sensing.

Use clean, dry, purified compressed air. Remove water, particles, oxidized oil, tar and carbon; filter to 40 µm or finer. Confirm suitability for other fluids and synthetic-oil contaminants. Excessively dry air may shorten life unless the component is designed for it.

Factory lubrication normally needs no added oil. Once oil is introduced, continue additive-free ISO-VG32 turbine oil; incompatible oil may swell seals. The guide gives oil mist ≤25 mg/m³ and 0.5–5 drops per 1000 L. Size the lubricator for actual flow and avoid excess oil.

Blow pipes clean; start sealing tape 1.5–2 threads back to keep fragments out. Use suitable flame-resistant or metal tube near hot spatter. Check each tube’s pressure, temperature, OD, ID and bend radius; generic nylon/PU advice cannot override its rating.

PT1 piping torque: 36–40 N·m with the specified mating connection; not a G/NPT installation or sensor-adjustment torque.

Use speed controls at both working ports; start closed and open slowly. Meter-out commonly stabilizes motion and reduces startup runout. Adjust cushioning gradually for the load and speed, avoiding impact, rebound or forcing its screw. High mass or speed may need engineered deceleration or an external absorber.

Air compressibility and leakage prevent assuming precise prolonged intermediate stopping with a closed-center valve or precise cylinder synchronization. Verify the adjusted travel, mechanical stop setting, available cushioning, air consumption and clearances for the actual application.

Align rod and load motion and provide independent guidance against side load, bending and torque. Check long-rod buckling, sag and vibration; support long spans and limit unsupported lever arms. Use a suitable TC pivot arrangement for swinging motion rather than forcing a rigid LB mount. Check bracket loads and flange orientation.

During long storage, operate periodically and prevent corrosion, following the air-quality and lubrication requirements.

Internal Components — Family Reference

Materials below are basic SC-family references. Not a complete SCJ double-rod/adjustment-mechanism BOM. Item numbers identify drawing references, not service codes; verify parts for the production revision.

Family drawing item Basic material reference
1 — Rod-end nut Carbon steel
2 — Piston rod S45C hard-chrome-plated ground rod
3 — Front-cover O-ring NBR
4 — Guide bushing Wear-resistant material
5 — Front cover Aluminium alloy
6 — Cushion O-ring TPU
7 — O-type seal ring NBR
8 — Cylinder barrel Aluminium alloy
9 — Piston Aluminium alloy
10 — Piston-rod O-ring NBR
11 — Piston O-ring NBR
12 — Magnet Plastic magnet; magnetic configuration only
13 — Wear ring Wear-resistant material
14 — Hex-socket screw Carbon steel
15 — Rear cover Aluminium alloy
16 — Tie rod Carbon steel
17 — Tie-rod nut Carbon steel

Series Ordering Options

Parameter Value
Series identity SCJ: double-rod, double-acting cylinder with adjustable stroke
Adjustment-stroke options 10, 20, 30, 40, 50, 75, 100 mm; second numeric slot after the hyphen
Magnet No suffix: without magnet; S: magnetic piston
Seal material No suffix: NBR; H: Fluororubber. This product uses the blank-code NBR.
Mounting Basic, LB, FA or TC with matching TCM1; TC+TCM1 package identifiers are seller-defined
Thread options PT, G and NPT; match the complete ordered port and fitting thread
Standard nominal strokes 25, 50, 75, 80, 100, 125, 150, 160, 175, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000 mm
Catalog nominal-stroke limits Maximum stroke 1500 mm; allowable stroke 2000 mm

The large-bore page gives no numerical non-standard-stroke threshold. Confirm ordering/delivery of other non-listed strokes. Match travel and clearance to the actual adjustment; it is not a powered stage.

Magnetic Sensors and Connection Leads

This S cylinder accepts G-profile DMSG, CMSG and miniature EMSG sensors using the matching F-SC250SH tie-rod holder. Sensors, holders and mating leads are separately ordered; select the output and load circuit. The following permitted codes do not guarantee inventory or included supply.

Sensor / separate accessory Complete ordering choices
DMSG two-wire standard: DMSG-020,DMSG-030,DMSG-050,DMSG-100,DMSG-M08,DMSG-M08010,DMSG-M08020,DMSG-M08030,DMSG-M12,DMSG-M12010,DMSG-M12020,DMSG-M12030; W: DMSG-020-W,DMSG-030-W,DMSG-050-W,DMSG-100-W; A05: A05-DMSG-020,A05-DMSG-030,A05-DMSG-050,A05-DMSG-100; A06: A06-DMSG-020,A06-DMSG-030,A06-DMSG-050,A06-DMSG-100
DMSG NPN three-wire standard: DMSG-N020,DMSG-N030,DMSG-N050,DMSG-N100,DMSG-NM08,DMSG-NM08010,DMSG-NM08020,DMSG-NM08030,DMSG-NM12,DMSG-NM12010,DMSG-NM12020,DMSG-NM12030; W: DMSG-N020-W,DMSG-N030-W,DMSG-N050-W,DMSG-N100-W
DMSG PNP three-wire standard: DMSG-P020,DMSG-P030,DMSG-P050,DMSG-P100,DMSG-PM08,DMSG-PM08010,DMSG-PM08020,DMSG-PM08030,DMSG-PM12,DMSG-PM12010,DMSG-PM12020,DMSG-PM12030; W: DMSG-P020-W,DMSG-P030-W,DMSG-P050-W,DMSG-P100-W
EMSG two-wire standard: EMSG-020,EMSG-030,EMSG-050,EMSG-100,EMSG-M08,EMSG-M08010,EMSG-M08020,EMSG-M08030,EMSG-M12,EMSG-M12010,EMSG-M12020,EMSG-M12030; W: EMSG-020-W,EMSG-030-W,EMSG-050-W,EMSG-100-W; A05: A05-EMSG-020,A05-EMSG-030,A05-EMSG-050,A05-EMSG-100; A06: A06-EMSG-020,A06-EMSG-030,A06-EMSG-050,A06-EMSG-100
CMSG two-wire standard: CMSG-020,CMSG-030,CMSG-050,CMSG-100,CMSG-M08,CMSG-M08010,CMSG-M08020,CMSG-M08030,CMSG-M12,CMSG-M12010,CMSG-M12020,CMSG-M12030; H: CMSG-020-H,CMSG-030-H,CMSG-050-H,CMSG-100-H,CMSG-M08-H,CMSG-M08010-H,CMSG-M08020-H,CMSG-M08030-H,CMSG-M12-H,CMSG-M12010-H,CMSG-M12020-H,CMSG-M12030-H; A05: A05-CMSG-020,A05-CMSG-030,A05-CMSG-050,A05-CMSG-100
F-SC250SH SCJ250 tie-rod sensor holder; one per selected sensor unless the actual kit specifies otherwise. Sensor count is not determined by S.
M8 female lead, 2 wires 2 m: F-ECM08B020; 3 m: F-ECM08B030; 5 m: F-ECM08B050; 10 m: F-ECM08B100
M8 female lead, 3 wires 2 m: F-ECM08C020; 3 m: F-ECM08C030; 5 m: F-ECM08C050; 10 m: F-ECM08C100
M12 female lead, 2 wires 2 m: F-ECM12B020; 3 m: F-ECM12B030; 5 m: F-ECM12B050; 10 m: F-ECM12B100
M12 female lead, 3 wires 2 m: F-ECM12C020; 3 m: F-ECM12C030; 5 m: F-ECM12C050; 10 m: F-ECM12C100
Electrical selection Limits and conditions
DMSG/EMSG two-wire 10–28 V DC; load 2.5–100 mA; capacity ≤2.8 W; internal current ≤3 mA; residual voltage ≤3.5 V; leakage ≤0.06 mA; switching ≤1000 Hz.
DMSG NPN/PNP three-wire 5–30 V DC; switching ≤30 V, ≤200 mA, ≤6 W; internal current ≤5 mA; residual voltage ≤0.7 V; leakage ≤0.01 mA; switching ≤1000 Hz.
CMSG reed two-wire 5–240 V AC/DC; ≤100 mA, ≤10 W, ≤200 Hz. No internal/leakage current or protection circuit. Standard residual voltage ≤2.5 V at DC 100 mA; H has no residual voltage or indicator.
Sensor environment All listed sensors: 50 G impact reference. DMSG/EMSG have reverse-polarity and transient protection; EMSG also has overheat protection. Standard temperatures −10–70 °C; CMSG-H −10–125 °C. The SCJ250 NBR cylinder remains −20–70 °C, so the ordinary sensor-equipped system is limited to −10–70 °C or narrower.

Direct-lead 020/030/050/100 means 2/3/5/10 m. M08/M12 are M8/M12 male quick connectors with 0.5 m lead; M08010/020/030 and M12010/020/030 have 1/2/3 m leads. These lengths are unrelated to cylinder stroke. Two-wire is the blank output; N and P are NPN and PNP.

Standard/A05 DMSG and EMSG are IP64; direct W and A06 are IP68. Quick connectors do not have W. All CMSG versions are IP64. A05 is high-flex robot cable; A06 is oil-resistant high-flex. A05/A06 direct leads have a 19 mm minimum bend radius. Industry versions are two-wire and direct-lead only; CMSG A05 has no H, and no A06 CMSG choice is listed. These are not explosion-proof or permanent-immersion approvals.

For a quick connector, match M8/M12 and B two-wire/C three-wire female leads to the sensor. Two-wire pins: 1 brown (+), 4 blue (−), 3 unused. Three-wire pins: 1 brown (+), 3 blue (−), 4 black output. Direct-lead sensors need no quick mating cable. Cable temperature, IP and voltage ratings are not independently given here; do not transfer sensor-body ratings to the complete cable assembly or raise the cylinder temperature because a CMSG-H is selected.

Seat the holder on the tie rod against the barrel, place the sensor near the middle of its switching range and verify clearance and signal. Sensor fastening torque is recommended at 0.15–0.20 N·m, maximum 0.25 N·m; it is not cylinder-bolt or air-port torque.

Connect the load before applying power and follow the selected two-wire/NPN/PNP diagram. Two-wire sensors require a series load, not a direct connection across the supply. Maintain insulation and separate signal from power/high-voltage cables. Avoid pulling or repeated flexing, impacts, strong magnetic fields, iron chips, current surges and abrupt temperature changes. Protect against water, oil and welding spatter; inspect mounting, cables and switching periodically.

Connection and Upstream Options

Complete ordering code Separately installed upstream filter/regulator
GAFR600C25SG two female G1 ports; Metal bowl, 205 cc; round gauge in bar/MPa

Select separate male G1 fittings for both cylinder working ports, with tube OD/ID, flow capacity, seal and clearance matched to the installation. PT, G and NPT are not interchangeable. The M42×2.0 rod thread is not an air port. G joints require the correct face seal and mating surface.

The filter/regulators below are separate upstream options, not cylinder-port fittings or an included kit. Connect their IN/OUT ports with correctly matched male fittings. Do not fit a smaller male connector directly into a larger port; any adapter must match both thread sizes, standards and genders without restricting required flow.

These complete ordering examples use compressed air, a 40 µm element, differential-pressure/manual drain, included bracket and round gauge, standard regulation and no reverse-flow valve. The 500 series uses a PC bowl; 600C uses a metal bowl. Other configurations require their own ordering codes.

Maximum inlet pressure 1 MPa; proof pressure 1.5 MPa is not operating pressure. Adjustment range 0.15–0.9 MPa; temperature −5–70 °C, non-freezing. Observe flow/pressure loss, IN/OUT direction, condensate drainage, bowl environment and every downstream component limit. These are not vacuum regulators.

Size the valve, tubing and both endpoint connections for the required load, stroke, speed and pressure loss. Do not use a smaller-bore selection table as a guaranteed large-cylinder speed rating. Meter-out controls must match the actual port and circuit; valve-exhaust silencers must match that valve’s exhaust ports. Do not place silencers or plugs on either active cylinder port.

Tube OD and ID must match the specified fittings; inch tubing is not interchangeable with nominal metric tubing. A 16 × 11 mm tube requires separately specified 16 mm endpoint fittings and controls. Select the complete connection path before ordering; the upstream unit alone does not specify a full pneumatic circuit.

SCJ has two working ports and equal-diameter rods. Size flow using its annular pressure area, actual load, adjusted travel, piping losses and exhaust backpressure; a general bore-based chart does not guarantee SCJ speed.

Product form

Specifications: SCJ250X118-10STCG — Airtac SCJ double-rod, double-acting stroke-adjustable tie-rod cylinder; 250 mm bore, 118 mm nominal stroke, 10 mm adjustment... Read more

SKU: SCJ250X118-10STCG

$2,406.98 Incl. VAT

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    Description

    Specifications: SCJ250X118-10STCG — Airtac SCJ double-rod, double-acting stroke-adjustable tie-rod cylinder; 250 mm bore, 118 mm nominal stroke, 10 mm adjustment option, with magnet, NBR seal option and G1 working ports.

    Product Catalog

    Download Airtac Product Catalog (PDF)

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

    Model Code Explained

    Code Meaning
    SCJ Double-rod, double-acting cylinder with adjustable stroke
    250 250 mm bore
    X Separator before nominal stroke
    118 118 mm nominal stroke
    - Separator before adjustment stroke
    10 10 mm adjustment-stroke option
    S Magnetic piston
    TC Trunnion mount
    No seal-material suffix NBR seal option
    G G1 working ports

    Technical Specifications

    Parameter Value
    Model SCJ250X118-10STCG
    Action Double acting, double rod, adjustable stroke
    Bore 250 mm
    Nominal stroke 118 mm; Special stroke; confirm order and delivery conditions
    Adjustment stroke 10 mm adjustment option, not a second powered stroke
    Construction Tie-rod; ISO6430: SC-family design reference, not verified SCJ overall conformity
    Magnetic piston With magnet; sensors separately selected
    Mounting selection Trunnion mount
    Seal option NBR; basic O-ring materials are family references
    Port thread G1; two working air ports
    Working medium Clean compressed air; 40 µm or finer filtration
    Operating pressure 0.15–1.0 MPa (1.5–10 bar; approximately 22–145 psi)
    Proof pressure 1.5 MPa (15 bar); not continuous operating pressure
    Operating temperature −20 to 70 °C; avoid freezing condensate
    Piston speed 30–500 mm/s; match controls to load, piping and adjustment
    Nominal-stroke tolerance +1 / 0 mm
    Cushioning Adjustable pneumatic cushioning; 40 mm nominal cushion-stroke reference
    Rod diameter / end thread 50 mm / M42×2.0
    Sensor selection CMSG, DMSG or EMSG G-profile sensor with the specified tie-rod holder
    Estimated cylinder weight 30165 g; engineering reference, not measured shipping weight

    Engineering weight estimate using the same-bore SC catalog as a baseline plus an equivalent extra-rod allowance with representative steel density. The adjustment mechanism, changed covers and internal details are not separately mass-resolved. Mounts, rod-end joints, sensors, fittings and packaging are excluded. This is not an official SCJ net mass or a measured shipping weight; no error bound is established. Use the actual weighed assembly for handling and shipping.

    Confirm actual travel, stop setting and end positions; the adjustment code alone does not specify usable travel. Check cushioning at the setting; strokes shorter than 40 mm cannot provide full nominal cushion travel.

    Features and Operation

    SCJ provides double-acting through-rod motion and stroke adjustment. Family references: aluminium-alloy barrel and covers with tie rods, compact bidirectional grease-retaining piston seal, adjustable pneumatic cushioning.

    Confirm the ordered cylinder for the 150 °C special-seal feature; this NBR configuration remains −20 to 70 °C.

    External and Mounting Dimensions

    Dimensions: mm except threads; magnetic/nonmagnetic basic dimensions are equal. Drawing lengths do not guarantee the installed/moving envelope. Check clearance for both rods, adjustment, mounts, rod joints, fittings and sensors.

    Parameter Value
    Overall drawing reference: A + 2 × stroke + adjustment 655 mm = 409 + 2 × 118 + 10
    Body face span: AC + stroke 271 mm = 153 + 118
    Rear drawing span: DB + stroke + adjustment 208 mm = 80 + 118 + 10
    Rear adjustment reference: DB + adjustment 90 mm = 80 + 10
    Body width × height 267 × 267 mm (□B)
    Mounting holes 8 × M20×2.5 (K), 26.5 mm deep (KA); 202 × 202 mm centers (□KB)
    Rod diameter / end thread D = 50 mm; E = M42×2.0; EA = 84 mm
    Front locating and local geometry M = 86; MA = 35; AB = 141; DA = 106; F = 65; FA = 21; H = 46 mm
    Cover / port local geometry AD = 48; AE = 48; PA = 25.5; PB = 22 mm; P = G1
    Parameter Value
    Selected accessory TC: Trunnion mount; part F-SC250TC
    Material Ductile cast iron
    C + stroke 271 mm = 153 + 118
    Accessory dimensions (mm) EB = 394; ED = 202; EE = 304; EP = 45; ET = 56; I = 65; S = 267
    Trunnion center from body face 135.5 mm = (153 + 118) / 2; illustrated midpoint between body faces

    Accessory/body dimensions do not replace the SCJ overall formula. Order TC with the cylinder, match TCM1 and use its specified position; do not arbitrarily reposition TC.

    Mounting and Rod-End Accessories

    Mounting: basic, LB, FA or TC with TCM1; match load direction and motion. Listed parts do not imply included supply/quantity. Confirm assembly and support quantities for seller-defined TC+TCM1.

    Part / assembly code Application and reference
    F-SC250LB Foot mount; Ductile cast iron
    F-SC250FA Front flange; Cast steel
    F-SC250TC Trunnion mount; Ductile cast iron; order with the cylinder and match TCM1
    F-SC250TCM1 Trunnion support; Ductile cast iron
    F-M42X200I I-type rod-end joint; 4123 g catalog reference. Drawing dimensions: NC = 40; ND = 168; NE = 211; NF = 85; NG = 62; NH = M42×2.0; NM = 40.
    F-M42X200Y Y-type rod-end joint; 5480 g catalog reference. Drawing dimensions: NA = 85; NC = 40; ND = 168; NP = 86; NQ = 211; NM = 40.3; NH = M42×2.0; PA = 115; PB = 93.

    The rod-end choices use M42×2.0. Dimensions are in mm except threads and angles. Carbon-steel classification does not specify all subcomponents/finishes. Add only supplied accessory mass.

    Verify genuine SCJ seal kits, wear rings, guide bushings, nuts, covers and adjustment parts by exact model, seal and production revision. Drawing numbers and bore size are not service ordering codes. Replacement magnets concern magnetic configurations only.

    Force and Circuit Selection

    Parameter Value
    Ideal effective area, both directions 47123.89 mm² = π / 4 × (250² − 50²)
    Calculated force at 0.5 MPa, both directions 23561.94 N
    Force calculation Force (N) = annular pressure area (mm²) × pressure (MPa), before friction, backpressure and dynamic losses
    Load-ratio guidance Up to 0.7 at static/low speed, 0.5 at 50–500 mm/s and 0.3 above 500 mm/s, subject to cylinder speed limits; not guaranteed payload/structural safety factors

    Equal-diameter through-rod calculation. Size for annular area, load, adjusted travel, line losses, valve flow and exhaust backpressure; bore alone does not determine speed/payload.

    Installation and Maintenance

    Qualified staff must select, install and service the system. Guard both moving rod ends and secure the cylinder, loads and attachments. Before service or adjustment, isolate air and electricity, vent pressure and secure motion. Design safe responses to air/power loss, emergency stops and restart.

    Check protection from corrosive gas, chemicals, solvents, salt, water or steam, explosive atmospheres, vibration, radiant heat and sunlight. Protect sliding surfaces from damage, dust, humidity, splashes, oil and coolant. Prevent condensate freezing; external magnetic fields may disturb magnetic sensing.

    Use clean, dry, purified compressed air. Remove water, particles, oxidized oil, tar and carbon; filter to 40 µm or finer. Confirm suitability for other fluids and synthetic-oil contaminants. Excessively dry air may shorten life unless the component is designed for it.

    Factory lubrication normally needs no added oil. Once oil is introduced, continue additive-free ISO-VG32 turbine oil; incompatible oil may swell seals. The guide gives oil mist ≤25 mg/m³ and 0.5–5 drops per 1000 L. Size the lubricator for actual flow and avoid excess oil.

    Blow pipes clean; start sealing tape 1.5–2 threads back to keep fragments out. Use suitable flame-resistant or metal tube near hot spatter. Check each tube’s pressure, temperature, OD, ID and bend radius; generic nylon/PU advice cannot override its rating.

    PT1 piping torque: 36–40 N·m with the specified mating connection; not a G/NPT installation or sensor-adjustment torque.

    Use speed controls at both working ports; start closed and open slowly. Meter-out commonly stabilizes motion and reduces startup runout. Adjust cushioning gradually for the load and speed, avoiding impact, rebound or forcing its screw. High mass or speed may need engineered deceleration or an external absorber.

    Air compressibility and leakage prevent assuming precise prolonged intermediate stopping with a closed-center valve or precise cylinder synchronization. Verify the adjusted travel, mechanical stop setting, available cushioning, air consumption and clearances for the actual application.

    Align rod and load motion and provide independent guidance against side load, bending and torque. Check long-rod buckling, sag and vibration; support long spans and limit unsupported lever arms. Use a suitable TC pivot arrangement for swinging motion rather than forcing a rigid LB mount. Check bracket loads and flange orientation.

    During long storage, operate periodically and prevent corrosion, following the air-quality and lubrication requirements.

    Internal Components — Family Reference

    Materials below are basic SC-family references. Not a complete SCJ double-rod/adjustment-mechanism BOM. Item numbers identify drawing references, not service codes; verify parts for the production revision.

    Family drawing item Basic material reference
    1 — Rod-end nut Carbon steel
    2 — Piston rod S45C hard-chrome-plated ground rod
    3 — Front-cover O-ring NBR
    4 — Guide bushing Wear-resistant material
    5 — Front cover Aluminium alloy
    6 — Cushion O-ring TPU
    7 — O-type seal ring NBR
    8 — Cylinder barrel Aluminium alloy
    9 — Piston Aluminium alloy
    10 — Piston-rod O-ring NBR
    11 — Piston O-ring NBR
    12 — Magnet Plastic magnet; magnetic configuration only
    13 — Wear ring Wear-resistant material
    14 — Hex-socket screw Carbon steel
    15 — Rear cover Aluminium alloy
    16 — Tie rod Carbon steel
    17 — Tie-rod nut Carbon steel

    Series Ordering Options

    Parameter Value
    Series identity SCJ: double-rod, double-acting cylinder with adjustable stroke
    Adjustment-stroke options 10, 20, 30, 40, 50, 75, 100 mm; second numeric slot after the hyphen
    Magnet No suffix: without magnet; S: magnetic piston
    Seal material No suffix: NBR; H: Fluororubber. This product uses the blank-code NBR.
    Mounting Basic, LB, FA or TC with matching TCM1; TC+TCM1 package identifiers are seller-defined
    Thread options PT, G and NPT; match the complete ordered port and fitting thread
    Standard nominal strokes 25, 50, 75, 80, 100, 125, 150, 160, 175, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000 mm
    Catalog nominal-stroke limits Maximum stroke 1500 mm; allowable stroke 2000 mm

    The large-bore page gives no numerical non-standard-stroke threshold. Confirm ordering/delivery of other non-listed strokes. Match travel and clearance to the actual adjustment; it is not a powered stage.

    Magnetic Sensors and Connection Leads

    This S cylinder accepts G-profile DMSG, CMSG and miniature EMSG sensors using the matching F-SC250SH tie-rod holder. Sensors, holders and mating leads are separately ordered; select the output and load circuit. The following permitted codes do not guarantee inventory or included supply.

    Sensor / separate accessory Complete ordering choices
    DMSG two-wire standard: DMSG-020,DMSG-030,DMSG-050,DMSG-100,DMSG-M08,DMSG-M08010,DMSG-M08020,DMSG-M08030,DMSG-M12,DMSG-M12010,DMSG-M12020,DMSG-M12030; W: DMSG-020-W,DMSG-030-W,DMSG-050-W,DMSG-100-W; A05: A05-DMSG-020,A05-DMSG-030,A05-DMSG-050,A05-DMSG-100; A06: A06-DMSG-020,A06-DMSG-030,A06-DMSG-050,A06-DMSG-100
    DMSG NPN three-wire standard: DMSG-N020,DMSG-N030,DMSG-N050,DMSG-N100,DMSG-NM08,DMSG-NM08010,DMSG-NM08020,DMSG-NM08030,DMSG-NM12,DMSG-NM12010,DMSG-NM12020,DMSG-NM12030; W: DMSG-N020-W,DMSG-N030-W,DMSG-N050-W,DMSG-N100-W
    DMSG PNP three-wire standard: DMSG-P020,DMSG-P030,DMSG-P050,DMSG-P100,DMSG-PM08,DMSG-PM08010,DMSG-PM08020,DMSG-PM08030,DMSG-PM12,DMSG-PM12010,DMSG-PM12020,DMSG-PM12030; W: DMSG-P020-W,DMSG-P030-W,DMSG-P050-W,DMSG-P100-W
    EMSG two-wire standard: EMSG-020,EMSG-030,EMSG-050,EMSG-100,EMSG-M08,EMSG-M08010,EMSG-M08020,EMSG-M08030,EMSG-M12,EMSG-M12010,EMSG-M12020,EMSG-M12030; W: EMSG-020-W,EMSG-030-W,EMSG-050-W,EMSG-100-W; A05: A05-EMSG-020,A05-EMSG-030,A05-EMSG-050,A05-EMSG-100; A06: A06-EMSG-020,A06-EMSG-030,A06-EMSG-050,A06-EMSG-100
    CMSG two-wire standard: CMSG-020,CMSG-030,CMSG-050,CMSG-100,CMSG-M08,CMSG-M08010,CMSG-M08020,CMSG-M08030,CMSG-M12,CMSG-M12010,CMSG-M12020,CMSG-M12030; H: CMSG-020-H,CMSG-030-H,CMSG-050-H,CMSG-100-H,CMSG-M08-H,CMSG-M08010-H,CMSG-M08020-H,CMSG-M08030-H,CMSG-M12-H,CMSG-M12010-H,CMSG-M12020-H,CMSG-M12030-H; A05: A05-CMSG-020,A05-CMSG-030,A05-CMSG-050,A05-CMSG-100
    F-SC250SH SCJ250 tie-rod sensor holder; one per selected sensor unless the actual kit specifies otherwise. Sensor count is not determined by S.
    M8 female lead, 2 wires 2 m: F-ECM08B020; 3 m: F-ECM08B030; 5 m: F-ECM08B050; 10 m: F-ECM08B100
    M8 female lead, 3 wires 2 m: F-ECM08C020; 3 m: F-ECM08C030; 5 m: F-ECM08C050; 10 m: F-ECM08C100
    M12 female lead, 2 wires 2 m: F-ECM12B020; 3 m: F-ECM12B030; 5 m: F-ECM12B050; 10 m: F-ECM12B100
    M12 female lead, 3 wires 2 m: F-ECM12C020; 3 m: F-ECM12C030; 5 m: F-ECM12C050; 10 m: F-ECM12C100
    Electrical selection Limits and conditions
    DMSG/EMSG two-wire 10–28 V DC; load 2.5–100 mA; capacity ≤2.8 W; internal current ≤3 mA; residual voltage ≤3.5 V; leakage ≤0.06 mA; switching ≤1000 Hz.
    DMSG NPN/PNP three-wire 5–30 V DC; switching ≤30 V, ≤200 mA, ≤6 W; internal current ≤5 mA; residual voltage ≤0.7 V; leakage ≤0.01 mA; switching ≤1000 Hz.
    CMSG reed two-wire 5–240 V AC/DC; ≤100 mA, ≤10 W, ≤200 Hz. No internal/leakage current or protection circuit. Standard residual voltage ≤2.5 V at DC 100 mA; H has no residual voltage or indicator.
    Sensor environment All listed sensors: 50 G impact reference. DMSG/EMSG have reverse-polarity and transient protection; EMSG also has overheat protection. Standard temperatures −10–70 °C; CMSG-H −10–125 °C. The SCJ250 NBR cylinder remains −20–70 °C, so the ordinary sensor-equipped system is limited to −10–70 °C or narrower.

    Direct-lead 020/030/050/100 means 2/3/5/10 m. M08/M12 are M8/M12 male quick connectors with 0.5 m lead; M08010/020/030 and M12010/020/030 have 1/2/3 m leads. These lengths are unrelated to cylinder stroke. Two-wire is the blank output; N and P are NPN and PNP.

    Standard/A05 DMSG and EMSG are IP64; direct W and A06 are IP68. Quick connectors do not have W. All CMSG versions are IP64. A05 is high-flex robot cable; A06 is oil-resistant high-flex. A05/A06 direct leads have a 19 mm minimum bend radius. Industry versions are two-wire and direct-lead only; CMSG A05 has no H, and no A06 CMSG choice is listed. These are not explosion-proof or permanent-immersion approvals.

    For a quick connector, match M8/M12 and B two-wire/C three-wire female leads to the sensor. Two-wire pins: 1 brown (+), 4 blue (−), 3 unused. Three-wire pins: 1 brown (+), 3 blue (−), 4 black output. Direct-lead sensors need no quick mating cable. Cable temperature, IP and voltage ratings are not independently given here; do not transfer sensor-body ratings to the complete cable assembly or raise the cylinder temperature because a CMSG-H is selected.

    Seat the holder on the tie rod against the barrel, place the sensor near the middle of its switching range and verify clearance and signal. Sensor fastening torque is recommended at 0.15–0.20 N·m, maximum 0.25 N·m; it is not cylinder-bolt or air-port torque.

    Connect the load before applying power and follow the selected two-wire/NPN/PNP diagram. Two-wire sensors require a series load, not a direct connection across the supply. Maintain insulation and separate signal from power/high-voltage cables. Avoid pulling or repeated flexing, impacts, strong magnetic fields, iron chips, current surges and abrupt temperature changes. Protect against water, oil and welding spatter; inspect mounting, cables and switching periodically.

    Connection and Upstream Options

    Complete ordering code Separately installed upstream filter/regulator
    GAFR600C25SG two female G1 ports; Metal bowl, 205 cc; round gauge in bar/MPa

    Select separate male G1 fittings for both cylinder working ports, with tube OD/ID, flow capacity, seal and clearance matched to the installation. PT, G and NPT are not interchangeable. The M42×2.0 rod thread is not an air port. G joints require the correct face seal and mating surface.

    The filter/regulators below are separate upstream options, not cylinder-port fittings or an included kit. Connect their IN/OUT ports with correctly matched male fittings. Do not fit a smaller male connector directly into a larger port; any adapter must match both thread sizes, standards and genders without restricting required flow.

    These complete ordering examples use compressed air, a 40 µm element, differential-pressure/manual drain, included bracket and round gauge, standard regulation and no reverse-flow valve. The 500 series uses a PC bowl; 600C uses a metal bowl. Other configurations require their own ordering codes.

    Maximum inlet pressure 1 MPa; proof pressure 1.5 MPa is not operating pressure. Adjustment range 0.15–0.9 MPa; temperature −5–70 °C, non-freezing. Observe flow/pressure loss, IN/OUT direction, condensate drainage, bowl environment and every downstream component limit. These are not vacuum regulators.

    Size the valve, tubing and both endpoint connections for the required load, stroke, speed and pressure loss. Do not use a smaller-bore selection table as a guaranteed large-cylinder speed rating. Meter-out controls must match the actual port and circuit; valve-exhaust silencers must match that valve’s exhaust ports. Do not place silencers or plugs on either active cylinder port.

    Tube OD and ID must match the specified fittings; inch tubing is not interchangeable with nominal metric tubing. A 16 × 11 mm tube requires separately specified 16 mm endpoint fittings and controls. Select the complete connection path before ordering; the upstream unit alone does not specify a full pneumatic circuit.

    SCJ has two working ports and equal-diameter rods. Size flow using its annular pressure area, actual load, adjusted travel, piping losses and exhaust backpressure; a general bore-based chart does not guarantee SCJ speed.

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