The AirTAC SC50 Standard Cylinder SC50X900STC 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 AirTAC SC50X900STC is a double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa. With a 50 mm bore, 20 mm piston rod, and a 900 mm stroke, this model is well-suited for long-reach material transfer or lifting tasks where the centre trunnion mount (TC) allows the cylinder body to pivot as it cycles.
This configuration includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors, enabling precise end-of-stroke detection without external brackets. The cylinder uses a PT1/4 port, adjustable air cushioning (21 mm cushion length), and TPU seals for standard operation from -20 to +70 °C. The trunnion bracket (TCM1) is supplied with the TC mount, part code F-SC50TC.
| Model | Airtac SC50 Standard Cylinder SC50X900STC |
|---|---|
| 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 900 mm stroke moves components between distant conveyor stations. The centre trunnion mount allows the cylinder to swing, accommodating the arc of a long transfer arm.
Clamps or positions large weldments with 1374 N of force at 0.7 MPa. The built-in magnet enables sensor confirmation that the fixture is fully open or closed before the robot cycle starts.
Operates a pivoting diverter chute in bulk material handling. The TC mount supports the pivoting action, and the adjustable cushion smooths the stop at each end of the 900 mm travel.
Select the SC50 when your application needs roughly 1000 N of force at standard plant air pressure; stepping down to a 40 mm bore reduces push force to 628 N at 0.5 MPa, while moving up to a 63 mm bore increases it to 1559 N. For this 900 mm stroke, ensure the rod is not subjected to significant side loading—long, unsupported rods can bend under lateral force. Use an external linear guide or a guided cylinder if side loads are present.
To replace an existing cylinder, match five points: 50 mm bore, 900 mm stroke, PT1/4 port thread, centre trunnion (TC) mounting with the F-SC50TC bracket, and the built-in magnet (-S) for sensor compatibility. This is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
At 0.5 MPa, the cylinder pushes with 982 N and pulls with 825 N. At 0.7 MPa, the push force rises to 1374 N. The maximum operating force at 0.9 MPa is 1767 N (push).
No. A long, unsupported 20 mm rod will bend under side load. For any stroke over 300 mm with lateral force, you must use an external linear guide rail or switch to a guided cylinder to protect the rod bearings and seals.
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