
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32AX125-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 125mm 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 SAIJ32X125-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel down by up to 40 mm. This yields a usable stroke window of 85 to 125 mm, letting you dial in the exact retract position during machine commissioning without adding external stops.
This 32 mm bore variant uses an M10x1.25 rod thread and a PT1/8 tapered port. The piston rod is built from SUS420J2 stainless steel, offering improved corrosion resistance over standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides, although this specific SKU is not equipped with a magnet for position sensing.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX125-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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. |
| ×125 | 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 85-125 mm retract position during initial commissioning without swapping cylinders or fabricating external stop blocks.
Quickly adjust the stroke length on packaging lines when handling a new carton size, using the 40 mm rear adjustment range to adapt the end stop.
Fine-tune the final retract point on automated assembly equipment to compensate for mechanical wear or sensor variance over time.
Choose this adjustable-stroke model over a fixed SAI cylinder when your application requires variable end-stops or frequent product changeovers that demand fine-tuning of the retract distance.
The rear adjuster functions strictly as a travel stop to set deceleration and end-position, not as a locking mechanism. A plain SAIJ cannot hold a load or maintain its position without live air pressure. For fail-safe load holding, consider the SAIL pneumatic lock series or an external rod lock. This unit is dimensionally interchangeable per ISO 15552 and supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides a push (extend) force of 402 N and a pull (retract) force of 345 N. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster acts as an external stopper that shortens the nominal 125 mm stroke by up to 40 mm. This creates a usable travel window between 85 mm and 125 mm, allowing you to set the exact retract end-position during setup without replacing the cylinder.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.