The AirTAC Airtac SC40 Standard Cylinder SC40X430S is a genuine double-acting standard air cylinder with a Ø40mm bore and 430mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X430S is a double-acting tie-rod cylinder with a 40 mm bore and 430 mm stroke, pre-fitted with a magnetic piston for easy sensor mounting. At 0.5 MPa it generates 628 N pushing force, rising to 1130 N at the maximum operating pressure of 0.9 MPa, making it a capable mid-range actuator.
This model uses a 16 mm diameter piston rod with an M12x1.25 knuckle thread and PT1/4 ports. The adjustable air cushion (21 mm length) decelerates the rod smoothly at both ends. The built-in magnet allows CMSG, DMSG, or EMSG sensors to clamp directly onto the barrel for non-contact position sensing.
| Model | Airtac SC40 Standard Cylinder SC40X430S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 430 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. |
| ×430 | 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 430 mm stroke and 628 N push force reliably divert totes or cartons on powered roller conveyors, with magnetic sensors confirming gate open/close position.
Delivers consistent clamping pressure for CNC workholding. The adjustable cushion reduces impact at stroke end, preserving fixture alignment over high-cycle runs.
Operates slide gates on grain or aggregate bins. The built-in magnet provides end-of-stroke feedback to the PLC, ensuring the gate is fully open or closed.
Choose the SC40 bore when 628 N at 0.5 MPa fits the load; step up to the SC50 for 982 N if you need more force, or down to the SC32 for 402 N in a lighter, more compact package. This 430 mm stroke is within the 1200 mm standard maximum for the 40 mm bore.
For strokes over 300 mm, side loads become a critical design factor—the 16 mm rod can bend under off-axis force. Use an external linear guide or a guided cylinder to protect the rod bearing. When replacing, match five points: 40 mm bore, 430 mm stroke, PT1/4 ports, the -S magnet option for sensor compatibility, and your required mounting accessory.
Quick checklist
At 0.5 MPa the cylinder pushes with 628 N and pulls with 528 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1130 N. The theoretical maximum force at 1.0 MPa is 128 kgf.
Yes. The -S suffix in SC40X430S indicates a built-in magnet in the piston. This allows AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors to clamp onto the barrel tie-rods for contactless position detection.
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