Airtac SC50 Standard Cylinder SC50X25CA
The AirTAC Airtac SC50 Standard Cylinder SC50X25CA 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 SC50X25CA
The AirTAC SC50X25CA 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 rear single clevis mount (CA) allows the cylinder body to pivot, making it ideal for clamping or ejecting on articulated linkages where the actuator must follow an arc.
This model features a 20 mm diameter piston rod with an M16x1.5 thread and a 21 mm adjustable air cushion at each end to decelerate the piston smoothly. The PT1/4 port supplies filtered air, and the body length A is 150 mm, giving a compact extended length of 175 mm for tight spaces.
Airtac SC50 Standard Cylinder SC50X25CA Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X25CA |
|---|---|
| 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 SC50X25CA
| 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 SC50X25CA Is Used
Clamping Fixtures
The 25 mm stroke and rear clevis mount are perfect for workshop clamping fixtures where the cylinder body needs to pivot as it applies 982 N of holding force at 0.5 MPa.
Part Ejection
Delivers a fast, short-throw punch to eject parts from a die or mould. The pivoting CA mount allows the cylinder to swing clear for part removal and reloading.
Gate or Diverter Actuator
Operates a small diverter gate or chute flap on agricultural machinery. The clevis mount handles the arc motion, and the 20 mm rod withstands frequent cycling.
Is the Airtac SC50 Standard Cylinder SC50X25CA the Right Cylinder?
Select the SC50X25CA when your application needs a pivoting actuator with a short, precise stroke. The 50 mm bore provides 982 N at 0.5 MPa; if you need more force, step up to the 63 mm bore which offers 1559 N at the same pressure, while the 40 mm bore provides 628 N for lighter tasks.
To replace an existing cylinder, match these five points exactly: 50 mm bore, 25 mm stroke, PT port thread, rear single clevis (CA) mounting, and the absence of a magnet. The CA mount allows the cylinder to swing on its centreline; ensure the mating pin and bracket are sized for the 20 mm rod's reaction forces.
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 SC50X25CA FAQ
At the standard 0.5 MPa operating pressure, this 50 mm bore cylinder provides 982 N pushing force and 825 N pulling force. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N.
The CA suffix denotes a rear single clevis mount (F-SC50CA). It is designed to pivot on a pin through the rear eye. If you need a rigid fixed mount, consider the basic (no suffix) foot mount or the LB foot bracket instead.
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