Airtac SC50 Standard Cylinder SC50X25S
The AirTAC Airtac SC50 Standard Cylinder SC50X25S 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 SC50X25S
The AirTAC SC50X25S is a compact-stroke double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa). Its 25 mm stroke and 20 mm diameter piston rod make it ideal for short, repetitive clamping, ejecting, or sorting tasks where space is tight.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to mount directly onto the barrel for reliable end-of-stroke detection. The standard TPU seals provide a working range of -20 to +70 °C, and the PT1/4 ports keep plumbing straightforward.
Airtac SC50 Standard Cylinder SC50X25S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X25S |
|---|---|
| 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 SC50X25S
| 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 SC50X25S Is Used
Part Clamping
Short 25 mm stroke with 982 N force securely holds workpieces in CNC fixtures and welding jigs. The magnetic piston enables sensor confirmation of clamp position.
Sorting Gate Actuator
Quickly diverts small packages or components on a conveyor line. The built-in magnet allows precise end-of-stroke feedback to the PLC for high-speed sorting.
Label Press
Applies consistent pressure for label or sticker application. The double-acting design ensures positive retraction for rapid cycling in automated packaging.
Is the Airtac SC50 Standard Cylinder SC50X25S the Right Cylinder?
For applications needing slightly more force, stepping up to the 63 mm bore provides 1559 N at 0.5 MPa. When replacing an existing unit, match five points: 50 mm bore, 25 mm stroke, PT port thread, the built-in magnet option, and the basic mounting style. The short stroke keeps the rod well-supported inside the bearing, so side-load concerns are minimal.
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 SC50X25S 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.
Yes. The -S suffix indicates a built-in magnet in the piston. You can directly clamp AirTAC CMSG, DMSG, or EMSG sensors onto the barrel to detect piston position without additional brackets.
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