The AirTAC Airtac SC40 Standard Cylinder SC40X370 is a genuine double-acting standard air cylinder with a Ø40mm bore and 370mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X370 is a double-acting tie-rod cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). Its 16 mm diameter piston rod and 21 mm adjustable air cushion provide reliable deceleration for mid-stroke automation tasks.
With a body length A of 142 mm and a 370 mm stroke, this cylinder suits applications needing a compact retracted length without sacrificing working travel. The PT1/4 ports and M12x1.25 rod thread ensure straightforward pneumatic connections and tooling attachment.
| Model | Airtac SC40 Standard Cylinder SC40X370 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 370 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×370 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Operates diverter gates and stops on light-duty conveyors, where the 370 mm stroke provides ample reach and the 628 N force handles small packages.
Applies consistent clamping pressure in woodworking or assembly jigs. The adjustable cushion reduces impact noise at the end of the 370 mm travel.
Actuates levers and linkages on planting or sorting equipment. The TPU seals handle standard temperature ranges, and the tie-rod design is easy to service in the field.
Choose the SC40X370 when your application requires around 628 N of force at standard shop air. If you need more thrust, stepping up to the SC50 bore provides 982 N push at 0.5 MPa. For lighter, faster cycles, the SC32 bore offers 402 N.
At 370 mm of stroke, ensure side loads are minimal or use an external guide rail. Long unsupported strokes on a 16 mm rod can experience bending under offset loads. For direct replacement, match bore (40 mm), stroke (370 mm), PT1/4 ports, basic mounting, and confirm if a magnet (-S) is needed for sensors.
Quick checklist
At 0.5 MPa, the push force is 628 N and the pull force is 528 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1130 N. The theoretical maximum at 1.0 MPa is 128 kgf.
No. The SC series is a tie-rod cylinder that is shorter in overall length than a comparable ISO 15552 profile cylinder. It is not dimensionally interchangeable. Only replace another AirTAC SC tie-rod cylinder with the same bore, stroke, and port thread.
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