Airtac SC50 Standard Cylinder SC50X25TC
The AirTAC Airtac SC50 Standard Cylinder SC50X25TC is a genuine double-acting standard air cylinder with a Ø50mm bore and 25mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke25 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X25TC
The AirTAC SC50X25TC is a double-acting pneumatic cylinder with a 50 mm bore and a short 25 mm stroke, factory-assembled with a centre trunnion (TC) mount for pivoting applications. At 0.5 MPa it delivers 982 N pushing force and 825 N pulling force, making it a compact workhorse for clamping and ejecting tasks.
The 20 mm diameter piston rod and 21 mm adjustable air cushion provide smooth end-of-stroke deceleration. With a body length A of 150 mm, this TC variant ships complete with the TCM1 trunnion bracket (F-SC50TC), ready to install into a clevis-style pivot structure right out of the box.
Airtac SC50 Standard Cylinder SC50X25TC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X25TC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 25 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 SC50X25TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×25 | 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 SC50X25TC Is Used
Short-Stroke Clamping
The 25 mm stroke and 982 N force at 0.5 MPa make this cylinder perfect for pneumatic clamping fixtures where rapid, repeatable holding force is needed on a production line.
Part Stops & Gates
Ideal for conveyor part-stop actuators. The centre trunnion mount lets the body pivot, accommodating slight misalignment as the rod extends to stop or release products.
Ejection Mechanisms
Use the SC50X25TC in die-ejection or small press applications. The adjustable cushion protects the end-cap from impact, extending service life in high-cycle automated cells.
Is the Airtac SC50 Standard Cylinder SC50X25TC the Right Cylinder?
Choose the SC50 bore when your load requires roughly 980 N of force at standard shop air. If you need more force, step up to the SC63 which provides 1559 N push at 0.5 MPa; for lighter, faster applications the SC40 delivers 628 N. The 25 mm stroke is ideal for short clamping, pressing, or stop-gate functions.
For replacement, match five key points: 50 mm bore, 25 mm stroke, PT port thread, centre trunnion (TC) mounting with TCM1 bracket, and the standard TPU seal. The centre trunnion allows the cylinder to pivot during actuation, reducing side-load stress on the rod bearing.
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 SC50X25TC FAQ
At 0.5 MPa the cylinder produces 982 N pushing force and 825 N pulling force. 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.
Only if your application requires a pivoting mount. The TC centre trunnion (with TCM1 bracket) allows the cylinder body to swing. If you need a fixed, surface-mounted installation, order the LB foot mount or the basic version without a bracket instead.
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