The AirTAC Airtac SC40 Standard Cylinder SC40X950STC is a genuine double-acting standard air cylinder with a Ø40mm bore and 950mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X950STC is a double-acting pneumatic cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). Its 40 mm bore and 950 mm stroke make it a strong mid-range actuator for linear movements approaching one meter.
This model is factory-equipped with a built-in magnet (-S) for CMSG/DMSG/EMSG sensors and a centre trunnion mount (TC, part F-SC40TC) supplied with the TCM1 bracket. The 16 mm diameter rod and 21 mm adjustable air cushion ensure smooth deceleration, while the PT1/4 port provides standard pneumatic connections.
| Model | Airtac SC40 Standard Cylinder SC40X950STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 950 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. |
| ×950 | 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.
Pushes or pulls bins and pallets across a 950 mm span in packaging lines, with trunnion mounting allowing the cylinder to pivot freely during the stroke.
Operates a sliding safety door or interlock panel, using the magnetic piston to confirm the door's open or closed position via barrel-mounted sensors.
Provides consistent 628 N clamping force in a life-cycle test rig, where the adjustable cushion protects the fixture from impact damage at high cycle rates.
For applications needing more force, stepping up to the 50 mm bore provides 982 N at 0.5 MPa. At a 950 mm stroke, the rod is well-supported for axial loads, but any significant side force requires an external linear guide to prevent rod bearing wear and bending. Always match replacement cylinders on all five points: 40 mm bore, 950 mm stroke, PT1/4 port thread, the TC centre trunnion mount, and the -S magnetic piston.
Quick checklist
At the standard operating pressure of 0.5 MPa, the cylinder provides 628 N extending (push) and 528 N retracting (pull). At the maximum operating pressure of 0.9 MPa, the push force increases to 1130 N.
Yes, if the original is an AirTAC SC tie-rod cylinder with a 40 mm bore, 950 mm stroke, PT1/4 ports, centre trunnion (TC) mount, and a magnetic piston for sensors. The SC series is not dimensionally interchangeable with ISO 15552 cylinders.
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