The AirTAC Airtac SC40 Standard Cylinder SC40X235SN is a genuine double-acting standard air cylinder with a Ø40mm bore and 235mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X235SN is a double-acting single-rod pneumatic cylinder delivering 628 N of push force at 0.5 MPa and 1130 N at the maximum operating pressure of 0.9 MPa. Its 235 mm stroke sits well within the standard range for the 40 mm bore, making it a readily available configuration.
This model features a built-in magnet (-S suffix) for direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors, enabling precise end-of-stroke or mid-stroke position feedback. The NBR seal (-N suffix) provides reliable sealing for general industrial air supplies, while the 16 mm diameter piston rod and PT1/4 port thread ensure robust mechanical and pneumatic connectivity.
| Model | Airtac SC40 Standard Cylinder SC40X235SN |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 235 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. |
| ×235 | 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.
Ideal for actuating a diverter gate or product stop on a conveyor line. The 628 N push force at standard line pressure positively holds back packages, while the magnetic piston allows sensor confirmation of the gate's open or closed state.
Provides consistent clamping force for CNC fixtures or assembly jigs. The NBR seals are well-suited for workshop air, and the built-in magnet enables a sensor to verify the part is clamped before a machining cycle starts.
Applies a controlled 1130 N pressing force at 0.9 MPa to close carton flaps or compress contents before sealing. The 235 mm stroke accommodates a deep pressing station, and sensor feedback confirms full retraction for the next cycle.
For applications needing slightly less force, stepping down to the 32 mm bore (402 N at 0.5 MPa) can reduce air consumption. If higher force is required, the 50 mm bore provides 982 N at the same pressure. This SC40X235SN is a direct replacement only for another AirTAC SC tie-rod cylinder matching the 40 mm bore, 235 mm stroke, PT1/4 ports, basic mounting, and the -S magnet option. Note that the SC series is a tie-rod design and is shorter than an ISO 15552 cylinder, so it is not dimensionally interchangeable with ISO 15552 profiles.
Quick checklist
At the standard operating pressure of 0.5 MPa, this cylinder generates 628 N of push force and 528 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 1130 N.
Yes. The -S suffix in the model code SC40X235SN indicates a built-in magnet in the piston. This allows you to clamp AirTAC CMSG, DMSG, or EMSG sensors directly onto the barrel's tie-rod slots to detect piston position without any additional brackets.
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