
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX40-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 40mm 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 SAIJ32X40-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 40mm stroke that can be fine-tuned down by 10mm, giving an effective 30-40mm travel window for precise positioning.
This adjustable variant uses an SUS420J2 stainless steel piston rod to resist corrosion while handling side loads better than thinner alternatives. The extruded aluminum barrel includes sensor grooves on both sides, ready for AirTAC CMSE reed or DMSE solid-state switches if position feedback is added later. The rear adjuster acts purely as a mechanical stop to set the travel end and cannot hold a load without live air pressure.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX40-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 40 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. |
| ×40 | 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 30-40mm travel distance during machine commissioning without adding external mechanical stops.
Quickly adjust the retract position on packaging lines when handling slightly different product sizes.
If the setup requires slightly less force and a smaller footprint, stepping down is possible, but stepping up to a 40mm bore provides 628N at 0.5MPa for heavier tooling.
Because the stroke is short, side loading is minimal, but the rear adjuster is strictly a travel stop, not a lock. For dead-end load holding without continuous air pressure, consider an external pilot-operated check valve or the SAIL locking cylinder. As a direct ISO 15552 interchangeable replacement, specify the 32mm bore, 40mm stroke, 10mm adjustment, PT port, and Basic mounting setup.
Quick checklist
It features a rear adjusting screw that allows you to shorten the effective travel from its nominal 40mm down to 30mm, creating a 10mm setup window. This stopper sets the end position but does not lock the load without continuous air pressure.
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