The AirTAC Airtac SC40 Standard Cylinder SC40X670SH is a genuine double-acting standard air cylinder with a Ø40mm bore and 670mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X670SH is a double-acting single-rod tie-rod cylinder engineered for high-temperature applications, featuring a 40 mm bore and a 670 mm stroke. The built-in magnet (S suffix) allows direct mounting of CMSG/DMSG/EMSG reed or solid-state sensors along the barrel for precise position feedback, while the H suffix specifies Viton (FKM) seals that shift the operating temperature range to 0–150 °C, making it suitable for hot or chemically aggressive environments.
With a 16 mm diameter piston rod and PT1/4 ports, this cylinder generates a push force of 628 N at 0.5 MPa and reaches 1130 N at the maximum operating pressure of 0.9 MPa. The adjustable air cushion (21 mm length) decelerates the piston smoothly at stroke ends, and the body length A of 142 mm results in a total extended length of approximately 812 mm. This model is a genuine AirTAC component, ideal for automation tasks where both heat resistance and sensor-based control are required.
| Model | Airtac SC40 Standard Cylinder SC40X670SH |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 670 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. |
| ×670 | 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.
Viton seals enable reliable operation in ovens, foundries, or autoclaves up to 150 °C, with sensor feedback for precise stroke-end detection.
The 670 mm stroke and 628 N push force at 0.5 MPa suit long-reach pushers or diverters on heated conveyor lines, where standard seals would degrade.
The built-in magnet supports CMSG/DMSG sensors for exact clamp/unclamp verification in high-temperature moulding or welding fixtures.
Choose the SC40X670SH when your application demands a 40 mm bore with heat-resistant Viton seals and magnetic piston sensing. If your force requirement is lower, stepping down to a 32 mm bore (402 N push at 0.5 MPa) saves space; for higher force, the 50 mm bore provides 982 N at the same pressure. At a 670 mm stroke, the extended rod is subject to bending under side loads—always guide the load externally or use a guided cylinder if radial forces are present.
For replacement, match five key points: 40 mm bore, 670 mm stroke, PT1/4 port thread, the built-in magnet (-S), and the Viton seal material. This cylinder is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders; it replaces only another AirTAC SC40 of identical configuration.
Quick checklist
At 0.5 MPa, the push force is 628 N and the pull force is 528 N. At 0.7 MPa, push force increases to 879 N, and at the maximum operating pressure of 0.9 MPa, it reaches 1130 N.
No. The SC40X670SH is a double-acting cylinder that requires continuous air pressure to maintain position. If pressure is lost or the directional valve is centered, the piston will drift. For load holding, an external rod brake or pilot-operated check valve is necessary.
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