The AirTAC Airtac SC40 Standard Cylinder SC40X40H is a genuine double-acting standard air cylinder with a Ø40mm bore and 40mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X40H is a double-acting tie-rod cylinder equipped with high-temperature Viton (FKM) seals, extending its operating range to 0–150 °C. With a 40 mm bore and a short 40 mm stroke, it produces a push force of 628 N at 0.5 MPa, making it suitable for compact clamping and ejecting tasks in hot environments.
This model features a 16 mm diameter piston rod with an M12x1.25 male thread and PT1/4 ports. The adjustable air cushion at each end is 21 mm long, and the body length A is 142 mm, giving a total extended length of approximately 182 mm.
| Model | Airtac SC40 Standard Cylinder SC40X40H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 40 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. |
| ×40 | 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 reliable part ejection from heated molds or ovens where standard seals would degrade.
Applies 628 N of clamping force in autoclaves or heated press fixtures without premature seal failure.
Short 40 mm stroke ideal for tight spaces in food processing or chemical dosing equipment requiring heat resistance.
For higher force in the same footprint, step up to the 50 mm bore SC series, which provides 982 N of push at 0.5 MPa. If a lower force is acceptable, the 32 mm bore delivers 402 N. When replacing this cylinder, match five key points: 40 mm bore, 40 mm stroke, PT1/4 port thread, the specific mounting accessory, and the Viton seal material. The SC40 is a tie-rod design, not an ISO 15552 profile, so dimensional interchangeability is limited to other AirTAC SC40 tie-rod cylinders.
Quick checklist
At 0.5 MPa, it delivers 628 N pushing and 528 N pulling. At the maximum operating pressure of 0.9 MPa, the push force reaches 1130 N.
No. As a standard double-acting cylinder, it will drift or drop if pressure is lost. Use a pilot-operated check valve or external rod lock for load holding.
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