Airtac SC50 Standard Cylinder SC50X25
The AirTAC Airtac SC50 Standard Cylinder SC50X25 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 SC50X25
The AirTAC SC50X25 is a compact-stroke double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa). Its 25 mm stroke suits short clamping, ejecting, and locating operations where space is tight but a 50 mm bore force class is required.
Built with a 20 mm diameter piston rod and M16x1.5 rod thread, this tie-rod cylinder includes an adjustable air cushion (21 mm cushion length) to decelerate the piston smoothly. The body length A is 150 mm, giving a total extended length of approximately 175 mm. Ports are PT1/4.
Airtac SC50 Standard Cylinder SC50X25 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X25 |
|---|---|
| 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 SC50X25
| 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 SC50X25 Is Used
Short-Stroke Clamping
Delivers 982 N at 0.5 MPa for compact fixtures and jigs where a 25 mm stroke securely holds workpieces during machining or assembly.
Part Ejection
Rapid 25 mm linear push ejects small components from moulds or conveyors with consistent force, ideal for high-cycle automated cells.
Diverting & Sorting
Actuates short-throw gates or diverters on packaging lines, routing products reliably with the 50 mm bore's robust push capability.
Is the Airtac SC50 Standard Cylinder SC50X25 the Right Cylinder?
Choose the SC50X25 when you need the 982 N force class of a 50 mm bore in a very short stroke. If your application requires less force, step down to the 40 mm bore (628 N at 0.5 MPa); for more force, the 63 mm bore offers 1559 N at 0.5 MPa. Always confirm the port thread matches your existing plumbing—this model uses standard PT1/4.
For a drop-in replacement, match five points: 50 mm bore, 25 mm stroke, PT1/4 ports, no magnet (standard), and basic mounting. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X25 FAQ
At 0.7 MPa operating pressure, the SC50X25 produces 1374 N of push force. The pull force at the same pressure is 1155 N (calculated from the 825 N pull force at 0.5 MPa).
This specific model (SC50X25) does not include the -S magnet option, so the piston does not have a built-in magnet. To use CMSG/DMSG/EMSG sensors, order the SC50X25-S variant which includes a magnet ring for sensor mounting on the barrel.
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