Airtac SC40 Standard Cylinder SC40X150CA
The AirTAC Airtac SC40 Standard Cylinder SC40X150CA is a genuine double-acting standard air cylinder with a Ø40mm bore and 150mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ40 mm
- Stroke150 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 21 mm
About the Airtac SC40 Standard Cylinder SC40X150CA
The SC40X150CA is a double-acting pneumatic cylinder delivering 628 N of push force at 0.5 MPa (879 N at 0.7 MPa), making it a solid mid-range actuator for general factory automation. Its 40 mm bore houses a 16 mm diameter piston rod with M12x1.25 male threads, and the 150 mm stroke is well within the 1200 mm maximum standard stroke for this bore size.
This model is configured with a CA rear single clevis mount (accessory F-SC40CA), allowing the cylinder to pivot during operation and absorb minor misalignments. The tie-rod construction keeps the body length compact at 142 mm plus stroke, and the adjustable air cushion at each end decelerates the piston smoothly over the final 21 mm of travel.
Airtac SC40 Standard Cylinder SC40X150CA Technical Specifications
| Model | Airtac SC40 Standard Cylinder SC40X150CA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC40 Standard Cylinder SC40X150CA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×150 | 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 SC40 Standard Cylinder SC40X150CA Is Used
Part Diverter Gate
The 628 N push force and rear clevis pivot mount suit a swinging diverter arm on a packaging conveyor, where the cylinder must rotate slightly as it extends and retracts.
Clamp & Fixture Actuation
Delivers consistent clamping pressure for CNC jigs and welding fixtures. The adjustable cushion prevents hammering at the end of the 150 mm stroke, protecting the tooling.
Hopper Door Operator
Operates a small discharge gate on a seed or grain hopper. The single clevis mount lets the cylinder swing with the door arc, and the tie-rod design handles dusty environments.
Is the Airtac SC40 Standard Cylinder SC40X150CA the Right Cylinder?
Choose the SC40X150CA when your application needs roughly 600-900 N of force in a pivoting mount. If you need more force, stepping up to the 50 mm bore provides 982 N push at 0.5 MPa; for a lighter, more compact solution the 32 mm bore delivers 402 N. Always match the replacement cylinder across five points: 40 mm bore, 150 mm stroke, PT1/4 port thread, CA rear clevis mounting, and no magnet sensor option.
For strokes of 300 mm or longer on this 16 mm rod, consider an external guide or a guided cylinder to protect the rod bearing from side-load bending moments. The SC40X150CA at 150 mm is short enough that side-load risks are minimal in typical installations.
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 SC40 Standard Cylinder SC40X150CA FAQ
At the standard operating pressure of 0.5 MPa, the cylinder pushes with 628 N and pulls with 528 N. At 0.7 MPa, push force rises to 879 N. The maximum operating pressure of 0.9 MPa yields 1130 N of push force.
Only if your existing cylinder also uses a rear single clevis mount. The SC40X150CA is a direct replacement for another AirTAC SC40 tie-rod cylinder with the same bore, stroke, PT1/4 ports, and CA clevis. If your old cylinder has a basic or foot mount, you would need the corresponding mounting variant or purchase the clevis bracket separately.
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