The AirTAC SAI32 Standard Cylinder SAI32BX475 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 475mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAI32X475 is a double-acting ISO 15552 profile cylinder engineered to deliver 563 N of push force at 0.7 MPa. Its 475 mm stroke makes it well-suited for intermediate linear positioning tasks that require a compact footprint. The extruded aluminum barrel design omits tie rods, providing a clean exterior that drops directly into standardized ISO 15552 mounting interfaces.
This specific configuration features a SUS304 stainless steel piston rod (material code B) for superior corrosion resistance in humid or washdown environments. It utilizes PT tapered port threads, and because it lacks the -S magnet option, it operates without integrated position sensing. For higher temperature environments, the standard TPU seals can be swapped for Viton (code H) to maintain sealing integrity.
| Model | Airtac SAI32 Standard Cylinder SAI32BX475 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 475 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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. |
|---|---|
| 32 | Bore size in mm. |
| ×475 | 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.
Pushes medium-weight cartons on a packaging line with 563 N of force at 0.7 MPa, utilizing the 475 mm stroke to clear adjacent conveyor lanes.
Acts as a pneumatic stop for incoming pallets, where the SUS304 stainless steel rod withstands occasional moisture and harsh warehouse environments.
Ejects machined parts from a fixture over a 475 mm distance, relying on adjustable air cushions at both ends to decelerate the piston smoothly.
Selecting this 32 mm bore cylinder makes sense when your application requires around 400 N of push force at 0.5 MPa. If you need significantly less force, stepping down is not an option within the SAI series as 32 mm is the smallest bore, but stepping up to the 40 mm bore yields 628 N at 0.5 MPa for heavier payloads. Because this model has a 475 mm stroke, you must account for rod-bearing bending under side loads; using an external guide rail or a dedicated guided cylinder is strongly recommended to prevent premature seal wear.
This unit provides a true ISO 15552 dimensional interchange, meaning it serves as a direct replacement for other standard profile cylinders of the same bore and stroke. It uses a PT G1/8 port, accepts standard FA or LB mounting accessories, and operates without a magnet. Note that if your machinery loses air pressure, this standard cylinder will not hold its load; you would need the SAIL variant with an air-released lock for fail-safe positioning.
Quick checklist
At an operating pressure of 0.7 MPa, this 32 mm bore cylinder generates 563 N of push force and 481 N of pull force. If pressure is increased to 0.9 MPa, the push force reaches 724 N.
No, the standard SAI32X475 cannot hold a load if air pressure is lost or exhausted. The adjustable air cushions only decelerate the piston at stroke end; they do not lock the rod. For position holding, you should use the SAIL variant with an air-released lock or an external pilot-operated check valve.
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