The AirTAC Airtac SC40 Standard Cylinder SC40X800SN is a genuine double-acting standard air cylinder with a Ø40mm bore and 800mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X800SN is a double-acting tie-rod cylinder delivering 628 N of push force at 0.5 MPa and up to 1130 N at 0.9 MPa. Its 16 mm diameter piston rod and 21 mm adjustable air cushion provide smooth deceleration across the full 800 mm stroke, making it a reliable workhorse for medium-force linear tasks.
This model includes a built-in magnet (-S) for direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors, enabling precise end-of-stroke detection without external brackets. The NBR seal (-N) package offers dependable sealing for standard industrial environments, and the body length A of 142 mm keeps the overall footprint compact for a tie-rod design.
| Model | Airtac SC40 Standard Cylinder SC40X800SN |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 800 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. |
| ×800 | 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 800 mm stroke and 628 N push force efficiently actuate diverter gates on packaging or assembly conveyors, with the magnetic piston allowing sensor confirmation of open/closed positions.
Ideal for medium-duty clamping in CNC machining or welding cells. The NBR seals provide reliable, consistent force for holding workpieces during repeatable automated cycles.
Delivers the long reach needed for pushing cartons or totes off a main line onto sortation lanes. The built-in magnet enables mid-stroke or end-stroke sensing for precise sort logic.
Choose the SC40 for applications needing up to 628 N at standard plant pressure. If your load exceeds this, stepping up to the SC50 bore provides 982 N at the same 0.5 MPa. For this 800 mm stroke, ensure the rod is protected from side loads; an external guide or guided cylinder is recommended to prevent rod bearing wear and bending, as the 16 mm rod is not designed to support transverse forces.
When replacing an existing unit, match five key points: 40 mm bore, 800 mm stroke, PT port thread, the built-in magnet (-S) for sensor compatibility, and the NBR seal material. This is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
Quick checklist
At the standard operating pressure of 0.5 MPa, the push force is 628 N and the pull force is 528 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1130 N. The theoretical maximum force at 1.0 MPa is 128 kgf.
Yes. The -S suffix in the model code indicates a built-in magnet on the piston. This allows AirTAC CMSG, DMSG, or EMSG sensors to be clamped directly onto the cylinder barrel's tie-rod slots for contactless position detection.
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