The AirTAC SC50 Standard Cylinder SC50X720STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 720mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC50X720STC is a double-acting single-rod pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1767 N at 0.9 MPa). Its 720 mm stroke is well within the 1200 mm maximum standard stroke for the 50 mm bore, making it a standard-configuration unit with a 20 mm diameter piston rod and M16x1.5 male rod thread.
This model is factory-equipped with a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors, and a centre trunnion (TC) mount with the TCM1 bracket for pivoting applications. The body length A is 150 mm, giving an extended length of approximately 870 mm. Ports are PT1/4 with an adjustable air cushion of 21 mm at each end.
| Model | Airtac SC50 Standard Cylinder SC50X720STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 720 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. |
| ×720 | 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 720 mm stroke and centre trunnion mount allow the cylinder to pivot as it extends, pushing products off a main conveyor line onto a branch. Magnetic sensors confirm full extension and retraction.
With 1767 N of force at 0.9 MPa, this cylinder can lift and transfer moderate payloads between stations. The adjustable cushion decelerates the load smoothly at the end of the 720 mm travel.
The trunnion mount lets the cylinder body swing, ideal for clamping fixtures that must move clear of the workpiece. Sensor-ready with the built-in magnet for cycle verification.
Choose the SC50X720STC when your application needs a mid-range force of about 982 N at standard plant air pressure. If you need more force, step up to the 63 mm bore (1559 N at 0.5 MPa); for a lighter, more compact solution, the 40 mm bore provides 628 N. The 720 mm stroke is long enough that side-loading must be managed—use an external linear guide or a guided cylinder to protect the 20 mm rod and rod bearing from bending moments.
For direct replacement, match five points: 50 mm bore, 720 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 genuine AirTAC tie-rod cylinder, not an ISO 15552 profile unit, so dimensional interchangeability is limited to other SC-series cylinders.
Quick checklist
At 0.5 MPa (approx. 73 psi), 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 increases to 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. The SC50X720STC is a double-acting cylinder that requires continuous air pressure to maintain position. If pressure is lost or the directional valve is centered, the piston rod will drift or drop. For load holding, you must add an external rod lock, a pilot-operated check valve, or a mechanical brake.
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