
The AirTAC Airtac SAI40 Standard Air Cylinder SAI40X170 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 170mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAI40X170 is a double-acting ISO 15552 profile cylinder built with a 40mm bore and 170mm stroke. It generates 879N of push force at 0.7 MPa, making it well-suited for mid-range industrial actuation. The extruded aluminum barrel eliminates tie-rods, providing a clean exterior that drops directly into standard ISO 15552 mounting footprints.
This configuration features a standard carbon steel piston rod and PT tapered port threads. Because it lacks a built-in magnet (-S), position sensing requires external switches rather than the integrated sensor grooves. For higher temperature environments up to +70 C, the standard TPU seals can be swapped for Viton (H) or NBR (N) alternatives during a made-to-order request.
| Model | Airtac SAI40 Standard Air Cylinder SAI40X170 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 170 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| 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, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×170 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Provides robust 628N push force at 0.5 MPa to actuate routing gates on high-speed packaging conveyors.
Drives 170mm of travel to position and secure medium-sized workpieces during automated machining cycles.
Utilizes adjustable air cushions at both ends to smoothly eject finished components from assembly jigs.
When sizing this actuator, consider stepping up to the 50mm bore if your application requires the 982N push force available at 0.5 MPa, or dropping to the 32mm bore for lighter 402N loads. The 170mm stroke provides ample travel for standard machine movements. Because this is a double-acting cylinder, it relies on continuous air pressure to move and hold the rod; if pneumatic pressure is lost, the piston will drift. For applications requiring strict load holding without live pressure, integrate the SAIL locking variant or an external pilot-operated check valve. To match this exact ISO 15552 replacement, specify the 40mm bore, 170mm stroke, G1/4 port, and your preferred mounting accessory such as an FA flange or LB foot bracket.
Quick checklist
At an operating pressure of 0.7 MPa, the SAI40X170 generates 879N of push force and 740N of pull force. The theoretical maximum force at 1.0 MPa is 128 kgf.
Yes, the SAI40X170 is dimensionally interchangeable per ISO 15552. It serves as a direct drop-in replacement for other standard profile cylinders with a 40mm bore, 170mm stroke, and G1/4 port, provided you match the mounting accessory.
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