The AirTAC Airtac SC40 Standard Cylinder SC40X750SH is a genuine double-acting standard air cylinder with a Ø40mm bore and 750mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X750SH is a double-acting tie-rod cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa), driven by a 16 mm diameter piston rod. With a 750 mm stroke and a compact body length A of 142 mm, this model suits medium-reach linear actuation tasks where thermal resilience is critical.
This variant includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors, and Viton (FKM) seals (-H) that shift the operating temperature range to 0–150 °C. The standard PT1/4 port and 21 mm adjustable air cushion ensure smooth deceleration at end-of-stroke without the bulk of an ISO 15552 profile.
| Model | Airtac SC40 Standard Cylinder SC40X750SH |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 750 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. |
| ×750 | 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.
Viton seals allow the SC40X750SH to operate continuously in ambient temperatures up to 150 °C, making it suitable for actuators near ovens, autoclaves, or foundry equipment where standard seals would degrade.
The built-in magnet accepts CMSG/DMSG sensors for end-of-stroke detection. Use it in pick-and-place or indexing stations where the controller must confirm cylinder position at 750 mm extension before the next cycle.
With 628 N of push force, this cylinder actuates diverter gates or stops on conveyor lines. The 750 mm stroke provides ample reach across wide belt sections, while the adjustable cushion protects the gate mechanism from impact.
Choose the SC40 bore for push forces around 628 N at 0.5 MPa; if your load exceeds 900 N, step up to the SC50 (982 N at 0.5 MPa) for extra thrust margin. For lighter, faster applications, the SC32 (402 N) may reduce air consumption. At a 750 mm stroke, ensure the rod is guided externally if side loads are present—long, unsupported 16 mm rods can bend under off-axis forces.
For drop-in replacement, match five points: 40 mm bore, 750 mm stroke, PT1/4 port thread, the built-in magnet (-S), and Viton seal material. This cylinder is a direct fit only for another AirTAC SC40 tie-rod unit with the same suffix configuration; it is shorter than an ISO 15552 cylinder and is not dimensionally interchangeable with that standard.
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, push force reaches 1130 N. The theoretical maximum at 1.0 MPa is 128 kgf.
No. The SC40X750SH is a double-acting cylinder and does not lock or hold position when pressure is exhausted or the directional valve is centered. The piston will drift under load. If load holding is required, add a pilot-operated check valve or an external rod brake.
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