The AirTAC Airtac SC40 Standard Cylinder SC40X175H is a genuine double-acting standard air cylinder with a Ø40mm bore and 175mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X175H is a double-acting pneumatic cylinder delivering 628 N of push force at 0.5 MPa, rising to 1130 N at the maximum operating pressure of 0.9 MPa. With a 40 mm bore and a 175 mm stroke, it uses a 16 mm diameter piston rod and features an adjustable air cushion (21 mm length) to decelerate the load smoothly at end-of-travel.
This model is built with high-temperature Viton (FKM) seals, extending the operating temperature range to 0–150 °C, making it suitable for autoclaves, foundries, and other hot-environment applications. The SC is a tie-rod cylinder with a compact body length A of 142 mm, and it connects via a PT1/4 port.
| Model | Airtac SC40 Standard Cylinder SC40X175H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 175 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. |
| ×175 | 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.
With Viton seals rated for 0–150 °C, this cylinder reliably operates in autoclave doors, drying ovens, and engine test stands where standard seals would degrade.
The 628 N push force at standard line pressure efficiently diverts or indexes medium-weight packages and totes on conveyor lines.
Delivers a controlled 1130 N clamping force at 0.9 MPa for holding parts during welding, gluing, or light assembly operations.
For applications needing more force, stepping up to the SC50 bore provides 982 N of push force at the same 0.5 MPa pressure. If the 175 mm stroke is used in a horizontal or cantilevered orientation, ensure the load is externally guided; the 16 mm rod is not designed to absorb high bending moments or side loads.
When replacing an existing cylinder, match five key points: 40 mm bore, 175 mm stroke, PT1/4 port thread, the basic (no bracket) mounting configuration, and the absence of a magnet. This unit uses Viton seals, so confirm chemical and thermal compatibility with the original.
Quick checklist
At the standard 0.5 MPa operating pressure, it produces 628 N pushing and 528 N pulling. At the maximum operating pressure of 0.9 MPa, the pushing force increases to 1130 N.
No. The SC40X175H is a double-acting cylinder and will drift or drop if pressure is lost or the valve is centered. For load holding without live pressure, you must add an external rod lock or a pilot-operated check valve.
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