The AirTAC SC50 Standard Cylinder SC50X825STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 825mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC50X825STC is a double-acting tie-rod cylinder delivering 1374 N of push force at 0.7 MPa, making it a capable mid-range actuator for automation tasks. With an 825 mm stroke and a 20 mm diameter piston rod, this model is well-suited to linear transfer and material handling applications requiring extended reach.
This configuration includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (-TC suffix) with the TCM1 bracket, allowing the cylinder to pivot during operation. The body length A is 150 mm, giving a total extended length of approximately 975 mm. The adjustable pneumatic cushion at each end decelerates the piston over 21 mm to reduce end-of-stroke impact.
| Model | Airtac SC50 Standard Cylinder SC50X825STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 825 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. |
| ×825 | 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 825 mm stroke and 1374 N push force at 0.7 MPa efficiently shuttle parts between conveyor lines or workstations in automated assembly.
Delivers consistent clamping force for jigs and fixtures in machining centres, with the built-in magnet enabling easy end-of-stroke position sensing.
The centre trunnion mount allows the cylinder to swing, making it ideal for dump hoppers, chute gates, or any mechanism requiring angular movement.
Choose the SC50 bore when your application needs around 982 N of push force at 0.5 MPa. If you require more force, stepping up to the SC63 bore provides 1559 N at the same pressure, while the SC40 bore offers 628 N for lighter loads. For this 825 mm stroke, ensure the rod is protected from side loads; an external linear guide or a guided cylinder is recommended to prevent rod bending and premature bearing wear.
To replace an existing cylinder, match five key points: 50 mm bore, 825 mm stroke, PT port thread, centre trunnion (TC) mounting with the F-SC50TC bracket, and the built-in magnet for sensor compatibility. This SC model is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder and is shorter than an ISO 15552 cylinder of the same bore and stroke, so it is not dimensionally interchangeable. It is a direct replacement for another AirTAC SC50 cylinder with matching stroke, PT ports, centre trunnion mount, and magnet.
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