The AirTAC Airtac SC40 Standard Cylinder SC40X433S is a genuine double-acting standard air cylinder with a Ø40mm bore and 433mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X433S is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 40 mm bore with a 433 mm stroke. At 0.5 MPa it generates 628 N pushing force and 528 N pulling force, rising to 1130 N push at the 0.9 MPa maximum operating pressure. The 16 mm diameter piston rod and 21 mm adjustable air cushion at each end provide reliable deceleration for mid-range automation tasks.
This model includes the factory-installed -S magnet, enabling direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the barrel for non-contact position sensing. The body length A is 142 mm, giving an approximate extended length of 575 mm. With PT1/4 ports and an M12x1.25 rod thread, it suits standard pneumatic plumbing and tooling interfaces.
| Model | Airtac SC40 Standard Cylinder SC40X433S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 433 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. |
| ×433 | 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.
The 433 mm stroke pushes cartons or trays across a conveyor junction. The built-in magnet confirms full extension and retraction at each cycle, preventing jams.
Applies a glue head across a 433 mm panel width. The adjustable cushion protects the nozzle assembly at stroke ends, while magnetic sensors signal the next dispense cycle.
Ejects a completed pallet from a stacking frame. The 628 N push force at 0.5 MPa moves heavy wooden pallets smoothly, and the -S magnet provides end-of-stroke confirmation for the PLC.
Choose the SC40 bore when your application needs between 528 N and 1130 N of dynamic force. For higher force in a similar envelope, step up to the SC50 (825 N pull at 0.5 MPa); for a lighter, more compact solution, the SC32 delivers 345 N pull at 0.5 MPa. The 433 mm stroke is within the 1200 mm maximum standard stroke for this bore.
At 433 mm stroke, the 16 mm rod is long enough that side loads or off-centre mounting can cause rod deflection and premature bearing wear. If the load is not guided externally, consider adding a linear guide rail or switching to a guided cylinder variant. To replace an existing unit, match five points: 40 mm bore, 433 mm stroke, PT1/4 port thread, the built-in magnet (-S), and the basic (no bracket) mounting configuration.
Quick checklist
At 0.5 MPa, the cylinder delivers 628 N pushing force and 528 N pulling force. At the maximum operating pressure of 0.9 MPa, the push force reaches 1130 N. The theoretical force at 1.0 MPa is 128 kgf.
Yes. The -S suffix in the model code means a magnet is built into the piston. You can clamp AirTAC CMSG, DMSG, or EMSG sensors directly onto the tie-rod barrel to detect piston position—no brackets or external flags are needed.
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