Airtac SC50 Standard Cylinder SC50X250TC
The AirTAC Airtac SC50 Standard Cylinder SC50X250TC is a genuine double-acting standard air cylinder with a Ø50mm bore and 250mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke250 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X250TC
The AirTAC SC50X250TC is a double-acting single-rod pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa). With a 250 mm stroke and a 20 mm piston rod, it suits medium-duty linear actuation tasks where the load needs to pivot.
This model features a centre trunnion (TC) mount, supplied with the TCM1 bracket (part F-SC50TC), allowing the cylinder to swing as the rod extends and retracts. The body length A is 150 mm, giving an extended length of approximately 400 mm. It uses the standard PT1/4 port and TPU seals for operation from -20 to +70 °C.
Airtac SC50 Standard Cylinder SC50X250TC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X250TC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 250 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac SC50 Standard Cylinder SC50X250TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×250 | 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.
Where the Airtac SC50 Standard Cylinder SC50X250TC Is Used
Conveyor Diverters
The TC mount allows the SC50X250TC to pivot, making it ideal for actuating diverter gates or flippers on packaging and sortation conveyors.
Clamping & Welding Fixtures
Provides 982 N of clamping force at 0.5 MPa. The trunnion mount lets the cylinder body swing to accommodate fixture movement during pneumatic clamping or spot welding.
Agricultural Machinery
Used for actuating chute doors or flow gates on harvesters and spreaders, where the pivoting action of the TC mount aligns with the arc of the door hinge.
Is the Airtac SC50 Standard Cylinder SC50X250TC the Right Cylinder?
Select the SC50X250TC when your application requires a pivoting mount and around 100 kgf of force at standard pressure. If you need more force, step up to the 63 mm bore (1559 N push at 0.5 MPa); for a lighter, more compact solution, the 40 mm bore provides 628 N. For strokes of 250 mm and above, ensure the rod is not subjected to side loads—consider an external guide or a guided cylinder if lateral forces are present. To match this model for replacement, verify five points: 50 mm bore, 250 mm stroke, PT1/4 port thread, centre trunnion (TC) mount, and the absence of a built-in magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC50 Standard Cylinder SC50X250TC FAQ
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 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, so it is not dimensionally interchangeable. For a direct replacement, match the SC50 bore, 250 mm stroke, PT port, and TC centre trunnion mount.
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