Airtac SC50 Standard Cylinder SC50X25SLB
The AirTAC Airtac SC50 Standard Cylinder SC50X25SLB 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 SC50X25SLB
The AirTAC SC50X25SLB is a double-acting single-rod pneumatic cylinder with a 50 mm bore and a short 25 mm stroke, delivering a push force of 982 N at 0.5 MPa. Its compact body length A of 150 mm plus the 25 mm stroke makes it ideal for clamping, ejecting, or positioning tasks where space is limited and a fast, firm linear action is required.
This model includes a built-in magnet (-S) for mounting CMSG/DMSG/EMSG sensors directly on the tie-rod barrel, and it ships with LB foot mounts (F-SC50LB) for secure axial surface mounting. The 20 mm diameter piston rod and PT1/4 ports handle standard filtered air, while the adjustable air cushion softens end-of-stroke impact for reliable cycling.
Airtac SC50 Standard Cylinder SC50X25SLB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X25SLB |
|---|---|
| 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 SC50X25SLB
| 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 SC50X25SLB Is Used
Short-Stroke Clamping
The 25 mm stroke and 982 N force at 0.5 MPa make this cylinder perfect for rapid clamping fixtures in machining or assembly cells, where a firm hold is needed in a tight envelope.
Automated Ejectors
Use the SC50X25SLB to eject small parts from a die or conveyor. The built-in magnet allows end-of-stroke sensing to confirm part clearance before the next cycle begins.
Diverter Gates
With its LB foot mount for stable support, this cylinder can actuate a small diverter gate on a packaging line, sorting products with a quick, repeatable 25 mm push.
Is the Airtac SC50 Standard Cylinder SC50X25SLB the Right Cylinder?
Choose the SC50 bore when your application needs around 982 N of push force at 0.5 MPa. If you need more force, step up to the SC63 which provides 1559 N at the same pressure; for a lighter, more compact solution, the SC40 delivers 628 N. This 25 mm stroke is a standard length, ensuring quick availability.
For replacement, match five key points: 50 mm bore, 25 mm stroke, PT1/4 port thread, LB foot mounting (F-SC50LB), and the built-in magnet (-S). 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 SC50X25SLB FAQ
At the standard 0.5 MPa operating pressure, the push force is 982 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder and is shorter in overall length than a standard ISO 15552 cylinder. It is not dimensionally interchangeable. It is a direct replacement only for another AirTAC SC tie-rod cylinder with the same bore, stroke, port thread, LB mount, and magnet option.
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