
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 65mm 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 SAIJ32X65-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 32mm bore and a 65mm nominal stroke that can be trimmed back by up to 40mm, creating a highly versatile 25-65mm usable travel window for precise end-position tuning at commissioning.
This variant includes a SUS420J2 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel integrates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic sensors if a magnet is specified later. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 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. |
| ×65 | 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 25-65mm travel distance during product size transitions without replacing the cylinder or adding external mechanical stops.
Fine-tune the retract end-position at commissioning to absorb mechanical tolerances and ensure precise positioning of small assembly parts.
Leverage the SUS420J2 stainless steel rod in light-duty environments where moisture or coolant mist would degrade standard carbon steel rods.
The adjustable stroke is ideal for machine setups requiring variable end stops or product-size changeovers without physically swapping out the actuator. Unlike a fixed-stroke SAI cylinder, the SAIJ32X65-40 allows you to dial in the exact 25-65mm travel distance on the fly.
When specifying this ISO 15552 replacement, confirm the 32mm bore, 65mm stroke, 40mm adjustment range, PT G1/8 port, and the SUS420J2 rod material. Because the stroke is under 300mm, side-load stress on the 12mm rod is minimal, though external guides are still recommended for heavy lateral loads. Remember that the rear adjuster is a travel stop, not a lock; for load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder.
Quick checklist
The rear adjuster screw acts as a mechanical stop that shortens the effective travel. For this model, you can trim the 65mm nominal stroke back by up to 40mm, resulting in a usable travel window of 25-65mm.
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