The AirTAC Airtac SC40 Standard Cylinder SC40X180SN is a genuine double-acting standard air cylinder with a Ø40mm bore and 180mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X180SN is a 40 mm bore, 180 mm stroke double-acting tie-rod cylinder from the AirTAC SC series. It generates 628 N of push force and 528 N of pull force when operated at 0.5 MPa, making it a capable mid-range actuator for clamping and pressing tasks. This model includes a built-in magnet (suffix S) for direct mounting of CMSG/DMSG/EMSG sensors, providing reliable end-of-stroke detection without external brackets.
The cylinder uses NBR (nitrile) seals (suffix N), which offer good resistance to oils and wear in standard industrial environments. Its 16 mm diameter piston rod and 21 mm adjustable air cushion ensure smooth deceleration at the end of each stroke. The total extended body length is approximately 322 mm (142 mm body length A + 180 mm stroke).
| Model | Airtac SC40 Standard Cylinder SC40X180SN |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 180 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.
| 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.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×180 | 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.
Powers pick-and-place units and component insertion stations where magnetic piston sensing confirms part presence and cycle completion, preventing machine crashes.
Actuates diverter gates on conveyor lines. The 628 N push force at 0.5 MPa easily handles medium-weight package routing, with sensors verifying gate position.
Drives clamping fixtures in woodworking or metal fabrication jigs. The adjustable cushion reduces impact noise and vibration at the end of the 180 mm clamping stroke.
Select the SC40X180SN when your application requires a 40 mm bore with sensor-ready position feedback. If you need higher force, consider stepping up to the SC50 series, which provides 982 N of push force at 0.5 MPa. For lower force applications, the SC32 series delivers 402 N at the same pressure. Always match the replacement cylinder on all five key points: bore (40 mm), stroke (180 mm), port thread (PT1/4), the built-in magnet (-S), and the NBR seal material.
For this 180 mm stroke, the standard 16 mm rod is well-supported within the bearing. However, if your load applies significant side force, consider using an external linear guide to protect the rod bearing from premature wear and ensure consistent, bind-free operation.
Quick checklist
At the standard operating pressure of 0.5 MPa, this cylinder produces 628 N of force when extending (push) and 528 N when retracting (pull). At the maximum operating pressure of 0.9 MPa, the push force increases to 1130 N.
This is a direct replacement for any AirTAC SC40X180 cylinder with a magnet and NBR seals. Ensure your existing mount, port thread (PT1/4), and sensor type (CMSG/DMSG/EMSG) match. It is not dimensionally interchangeable with ISO 15552 profile cylinders.
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