The AirTAC Airtac SC40 Standard Cylinder SC40X65SN is a genuine double-acting standard air cylinder with a Ø40mm bore and 65mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X65SN is a double-acting pneumatic cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). Its 65 mm stroke suits short clamping, ejecting, and sorting tasks. The 16 mm diameter piston rod and 21 mm adjustable air cushion provide smooth end-of-stroke deceleration.
This model includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors on the tie-rod barrel. NBR seals (-N) offer reliable sealing with standard compressed air. The body length A is 142 mm, and the PT1/4 port thread is standard.
| Model | Airtac SC40 Standard Cylinder SC40X65SN |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 65 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. |
| ×65 | 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.
Short 65 mm stroke and 628 N force securely hold workpieces in CNC fixtures and welding jigs. The built-in magnet allows clamp confirmation via barrel-mounted sensors.
Pneumatic diverter gates use this cylinder's quick 65 mm action to redirect packages. NBR seals perform well with standard filtered shop air.
Delivers 1130 N at 0.9 MPa for pressing bearings or bushings into housings. The adjustable cushion absorbs impact at the end of the press stroke.
For higher thrust, step up to the SC50 series (982 N at 0.5 MPa). For lighter, more compact applications, the SC32 series (402 N) may suffice. Always match bore, stroke, port thread (PT), sensor magnet (-S), and NBR seal material when replacing an existing cylinder.
At 65 mm stroke, the rod bearing is well-supported for axial loads. If the application involves any side load, use an external guide rail to protect the rod and bearing from bending stress.
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 indicates a built-in magnet on the piston. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the cylinder's tie-rod barrel to detect piston position.
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