The AirTAC Airtac SC40 Standard Cylinder SC40X280STC is a genuine double-acting standard air cylinder with a Ø40mm bore and 280mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X280STC is a double-acting pneumatic cylinder delivering a push force of 628 N at 0.5 MPa and up to 1130 N at 0.9 MPa operating pressure. With a 40 mm bore and 280 mm stroke, its 16 mm diameter piston rod provides robust linear actuation for medium-duty tasks. The adjustable air cushion at each end decelerates the piston smoothly over the final 21 mm of travel.
This configuration includes a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors, enabling precise end-of-stroke detection. It is supplied with a TC centre trunnion mount and the TCM1 bracket, allowing the cylinder body to pivot during operation for swinging loads. The total extended body length is approximately 422 mm, making it a compact choice for constrained spaces.
| Model | Airtac SC40 Standard Cylinder SC40X280STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 280 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. |
| ×280 | 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.
The 280 mm stroke and pivoting TC mount make this cylinder ideal for pushing products off a conveyor line, with sensors confirming each full extension and retraction cycle.
Delivers 1130 N of clamping force at 0.9 MPa. The trunnion mount allows the fixture arm to swing clear for part loading, while the magnetic piston confirms the clamp is engaged.
Operates a sliding gate on a material hopper. The 628 N push force reliably opens the gate, and the adjustable cushioning prevents slamming at the end of the 280 mm travel.
Select this 40 mm bore cylinder for applications needing a push force around 628 N at standard plant pressure. If your load requires more force, stepping up to the 50 mm bore provides 982 N at the same 0.5 MPa. For a stroke of 280 mm, the 16 mm rod is well-supported, but always avoid direct side loading; use an external guide or linear bearing if radial forces are present. For a direct replacement, match the 40 mm bore, 280 mm stroke, PT port thread, TC centre trunnion mounting, and the integrated magnet sensor feature.
Quick checklist
At the standard operating pressure of 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 increases to 1130 N. The theoretical maximum force at 1.0 MPa is 128 kgf.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than an ISO 15552 profile cylinder, so it is not dimensionally interchangeable. It should only be used to replace another AirTAC SC tie-rod cylinder with the same bore, stroke, PT port, TC mount, and magnet option.
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