The AirTAC Airtac SC50 Standard Cylinder SC50X95H is a genuine double-acting standard air cylinder with a Ø50mm bore and 95mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC50X95H is a double-acting pneumatic cylinder with a 50 mm bore and 95 mm stroke, factory-equipped with Viton (FKM) seals for reliable operation in high-temperature environments up to 150 °C. With a push force of 982 N at 0.5 MPa and 1767 N at the maximum operating pressure of 0.9 MPa, it handles demanding thermal-cycle applications where standard seals would degrade.
This tie-rod cylinder uses a 20 mm diameter piston rod with M16x1.5 male threads and PT1/4 ports. The adjustable air cushion at each end (21 mm cushion length) decelerates the piston smoothly, reducing end-of-stroke impact. The body length A is 150 mm, giving a total extended length of approximately 245 mm for this 95 mm stroke model.
| Model | Airtac SC50 Standard Cylinder SC50X95H |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 95 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. |
| ×95 | 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 sustain 0-150 °C operation, making the SC50X95H suitable for clamping fixtures on heated platen presses, thermoforming tools, and rubber vulcanisation moulds where heat soak is continuous.
Withstands saturated steam and hot-air sterilisation cycles. Use this 50 mm bore cylinder to open/close autoclave doors or position medical-waste compactors without seal swell or premature failure.
Deploy the SC50X95H near furnaces or molten-material gates. The FKM seals resist heat radiation and occasional chemical contact, while the 982 N push force at 0.5 MPa reliably shifts sliding gates and diverter chutes.
Choose the SC50X95H when your application runs above ambient temperature—the Viton seal shifts the operating window from the standard -20 to +70 °C up to 0 to +150 °C. If you need more force at the same pressure, step up to the 63 mm bore (1559 N push at 0.5 MPa); for a lighter, more compact actuator, the 40 mm bore delivers 628 N push at 0.5 MPa.
For a direct replacement, match five points: 50 mm bore, 95 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and the -H suffix for Viton seals. This cylinder does not include a magnet; if you need barrel-mounted position sensors, order the SC50X95SH variant instead.
Quick checklist
At 0.5 MPa the cylinder delivers 982 N pushing and 825 N pulling. At the maximum operating pressure of 0.9 MPa, push force rises to 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf (1960 N), but AirTAC rates normal operation to 1.0 MPa with a 1.5 MPa proof pressure.
Yes, if the original was also an AirTAC SC50 tie-rod cylinder with PT1/4 ports and no magnet. The -H suffix upgrades the seal to Viton, which extends the temperature rating to 0-150 °C. If your machine runs below 70 °C, the standard TPU-seal SC50X95 is equally suitable and may be more cost-effective.
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