
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32BX225-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 225mm 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 SAIJ32X225-30-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 195 to 225 mm usable travel window, allowing you to dial in the exact retract position without swapping hardware.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE or DMSE sensors. The extruded aluminum barrel maintains standard ISO 15552 mounting dimensions, while the rear stopper simply acts as a travel limit and does not hold the load without live air pressure.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. 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. |
| ×225 | 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.
Dial in the 195-225 mm travel window during product size changes to set new retract positions without machining new stopper blocks.
Fine-tune the exact end-of-stroke point at commissioning to compensate for mechanical tolerance stack-up in fixturing.
Provide an adjustable physical stop for diverter arms or pushers on a conveyor line where the exact retract distance varies by batch.
Choose this 32 mm bore when an application requires fine-tuning the end-of-stroke position during commissioning or product changeover, rather than relying on a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, you would need a SAIL or BSAI variant instead of this standard adjuster.
To match this ISO 15552 replacement exactly, specify a 32 mm bore, 225 mm stroke, 30 mm adjustment range, PT tapered port thread, and the -S magnet option. Because the 225 mm stroke is relatively long for this small bore, ensure external guides are used to support the load and prevent excessive side-loading on the 12 mm rod. The available mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm, creating a 195 to 225 mm usable travel window. It functions as a physical stop and does not lock the load without live air pressure.
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