The AirTAC Airtac SC40 Standard Cylinder SC40X285S is a genuine double-acting standard air cylinder with a Ø40mm bore and 285mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X285S is a double-acting pneumatic cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa) from its 40 mm bore. With a 285 mm stroke and a 16 mm diameter piston rod, it suits medium-reach linear tasks where sensor feedback is required—the built-in magnet allows CMSG/DMSG/EMSG reed or solid-state sensors to clamp directly onto the tie-rod barrel for precise end-of-stroke or mid-stroke detection.
The body length A is 142 mm, giving an extended length of approximately 427 mm. Adjustable air cushioning at both ends decelerates the piston smoothly over the 21 mm cushion length, protecting end caps during high-cycle operation. This genuine AirTAC SC model uses PT1/4 ports and operates on filtered air from 0.15 to 1.0 MPa across a -20 to +70 °C temperature range.
| Model | Airtac SC40 Standard Cylinder SC40X285S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 285 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. |
| ×285 | 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 285 mm stroke pushes cartons onto a parallel conveyor. The built-in magnet signals the PLC when the diverter is fully extended or retracted, enabling fast cycle confirmation.
Extends a test probe or clamping jaw with 628 N of force. CMSG sensors mounted on the tie-rod barrel provide precise position feedback to the test sequencer.
Acts as a pneumatic stop for pallets or totes on a gravity roller lane. The sensor confirms the gate is down before the next item is released.
For applications needing more force, stepping up to the 50 mm bore SC50 series provides 982 N push at 0.5 MPa, while the 32 mm bore SC32 offers 402 N if a smaller footprint is preferred. The 285 mm stroke is well within the 1200 mm maximum standard stroke for bore 40, so no special stroke order is needed. The built-in magnet (suffix -S) is essential for integrating position sensors without external brackets.
When replacing an existing cylinder, match five points: 40 mm bore, 285 mm stroke, PT1/4 port thread, the basic (no-bracket) mounting configuration, and the magnet-equipped barrel. For strokes above 300 mm, consider an external guide or guided cylinder to protect the 16 mm rod from bending under side loads.
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.
Yes. The -S suffix means this cylinder has a built-in magnet on the piston. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the cylinder barrel without any additional brackets.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.