
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32BX25-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 25mm 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 SAIJ32X25-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end position without adding external stops. With a nominal 25mm stroke and a 10mm adjustment range, it provides a usable travel window of 15-25mm for precise machine setup.
This model is configured with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, although this specific SKU is built without a magnet for position sensing. You can fine-tune the retract end position directly at the rear screw, which acts as a travel stop rather than a load-holding lock.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX25-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 25 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. |
| ×25 | 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 exact 15-25mm travel window during machine commissioning to perfectly strike or push small components without re-engineering the fixture.
Quickly adjust the rear stop to accommodate varying part sizes on a high-mix assembly line, reducing downtime between production runs.
The adjustable stroke is chosen over a fixed SAI cylinder when you need variable end-stops to accommodate product changeovers or precise commissioning without physically swapping the actuator. For this 25mm stroke, side-loading is minimal, but the M10x1.25 rod thread still requires alignment to prevent premature seal wear.
To replace this cylinder on an ISO 15552 footprint, match the 32mm bore, 25mm nominal stroke, 10mm adjustment, PT G1/8 port, and Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting set. Because the SAIJ rear adjuster only sets the travel end and does not hold the load without live air pressure, you must use a SAIL or BSAI locking cylinder for any fail-safe load-holding requirements.
Quick checklist
The rear adjuster screw lets you shorten the 25mm nominal stroke by up to 10mm, creating a 15-25mm usable travel window. This stopper sets the end position but does not lock the load without continuous air pressure.
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