The AirTAC Airtac SAI ISO Cylinders SAI32X150SG is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 150mm stroke, G1/8 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 SAI32X150-S is a double-acting, profile-barrel cylinder built to the ISO 15552 mounting standard, so its dimensions slot straight into machines designed around that interface. At 32 mm bore it produces about 402 N extending at 0.5 MPa (563 N at 0.7 MPa), and the 150 mm stroke suits compact push, clamp and divert moves where footprint and interchangeability matter more than brute force.
Because this unit carries the -S magnet option, the piston triggers CMSE or DMSE switches seated in the sensor grooves on both sides of the extruded barrel. The standard carbon steel rod can be swapped for SUS420J2 or SUS304 stainless, and ordering the -H Viton seal set extends temperature tolerance for hot-air circuits.
| Model | Airtac SAI ISO Cylinders SAI32X150SG |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 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. |
| ×150 | 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.
The 402 N push at 0.5 MPa kicks small cartons and parts off the line, while the -S magnet gives a signal when the push stroke is complete.
With 345 N of pull at 0.5 MPa, the 32x150 cylinder holds workpieces in jigs and nests on assembly benches where a 150 mm envelope fits.
Compact stroke and dual sensor grooves make this size convenient for opening chutes, lids and access panels on packaging and storage equipment.
A 150 mm stroke sits comfortably inside the 32 bore's 1000 mm standard range. If your load exceeds roughly 345 N retracting or 402 N pushing at 0.5 MPa, step up to the 40 bore (628 N push at 0.5 MPa) instead of pushing pressure higher. Keep in mind a standard SAI holds nothing once air is removed - the piston drifts freely under any overhauling load, so choose the SAIL lock version or an external rod lock if position must persist without live pressure.
For a like-for-like ISO 15552 exchange, match bore 32, stroke 150, the G1/8 BSPP port, the same mounting accessory (LB, FA/FB, CA/CB or TC family) and specify -S where switching feedback is needed.
Quick checklist
At 0.5 MPa it pushes with about 402 N and pulls with about 345 N. Raising supply to 0.7 MPa gives roughly 563 N extending, and at 0.9 MPa about 724 N. Theoretical peak at 1.0 MPa is around 82 kgf. Cushioning travel is 27 mm at each end, and speed range is 30-800 mm/s.
Yes. The SAI conforms to the ISO 15552 mounting interface, so it is interchangeable with other ISO 15552 profile cylinders such as those from Festo, SMC, Camozzi and Parker - match bore 32, stroke 150, port type (PT or G), mounting accessory and rod options. It is an AirTAC original, not a rebranded copy of any specific competitor part.
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