The AirTAC SC50 Standard Cylinder SC50X900SH is a genuine double-acting standard air cylinder with a Ø50mm bore and 900mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC50X900SH is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa, rising to 1767 N at the maximum operating pressure of 0.9 MPa. With a 50 mm bore and a 20 mm diameter piston rod, this model is configured with a 900 mm stroke, making it suitable for long linear movements in high-temperature environments.
This variant includes a built-in magnet (-S) for direct mounting of CMSG, DMSG, or EMSG sensors, and features Viton (FKM) seals (-H), extending the operating temperature range to 0 to +150 °C. The body length A is 150 mm, and the total extended length is approximately 1050 mm. Ports are PT1/4 with an M16x1.5 rod thread, and the adjustable air cushion is 21 mm.
| Model | Airtac SC50 Standard Cylinder SC50X900SH |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 900 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 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. |
|---|---|
| 50 | Bore size in mm. |
| ×900 | 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 Viton seals allow this cylinder to operate reliably in ambient temperatures up to 150°C, making it ideal for actuating gates, diverters, or pushers near ovens, autoclaves, or foundry equipment.
With a 900 mm stroke and 1767 N of force at 0.9 MPa, this cylinder can transfer heavy parts between distant conveyor stations, with the built-in magnet providing end-of-stroke position confirmation via sensors.
Suited for clamping or ejecting parts in heated presses and thermoforming machines, where standard seals would fail. The adjustable cushioning ensures smooth deceleration of the high-inertia load.
For applications requiring less force, stepping down to a 40 mm bore provides 628 N of push at 0.5 MPa. If a higher force is needed, the 63 mm bore delivers 1559 N at the same pressure. With a 900 mm stroke, ensure the rod is protected from side loads; an external linear guide or guided cylinder configuration is recommended to prevent rod bending and premature bearing wear.
To ensure a correct replacement, match five key specifications: the 50 mm bore, the 900 mm stroke, the PT1/4 port thread, the built-in magnet for sensor compatibility, and the high-temperature Viton seal material.
Quick checklist
The theoretical push force at 0.5 MPa is 982 N, and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N.
No. The SC50X900SH is a double-acting cylinder that requires continuous air pressure to maintain its position. If the air supply fails or the valve is centered, the piston will drift. A pilot-operated check valve or external rod lock is required for static load holding.
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