The AirTAC Airtac SC40 Standard Cylinder SC40X235 is a genuine double-acting standard air cylinder with a Ø40mm bore and 235mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X235 is a double-acting tie-rod cylinder with a 40 mm bore and 235 mm stroke, delivering a push force of 628 N at 0.5 MPa (879 N at 0.7 MPa). Its 16 mm diameter piston rod and 21 mm adjustable air cushion provide reliable deceleration for mid-range linear motion tasks.
With a compact body length of 142 mm (A dimension) and PT1/4 ports, this cylinder fits into machinery where space is limited but consistent force is required. The standard TPU seals offer a working temperature range of -20 to +70 °C, making it suitable for general industrial environments.
| Model | Airtac SC40 Standard Cylinder SC40X235 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 235 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. |
| ×235 | 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 235 mm stroke and 628 N force at 0.5 MPa are well-suited for diverting cartons or products on packaging conveyors, providing a clean, repeatable push action.
Use the SC40X235 in jigs and fixtures for holding workpieces during light machining or assembly. The adjustable cushion prevents jarring at the end of the clamp stroke.
Operate small gates or diverters in chutes and hoppers. The double-acting control allows positive opening and closing without relying on gravity or springs.
Choose the SC40X235 for applications needing around 628 N of push force at standard plant pressure. If your load requires more thrust, stepping up to the SC50 bore provides 982 N at the same 0.5 MPa. For lighter, faster cycles, the SC32 bore offers 402 N.
When replacing an existing cylinder, match five points: 40 mm bore, 235 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and the absence of a magnet. This is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC40X235 is a double-acting cylinder and will drift if pressure is exhausted or the directional valve is centered. To hold a position without live pressure, you must add an external rod lock or a pilot-operated check valve.
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