
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32AX100-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 100mm 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 SAIJ32X100-40-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to trim the nominal 100 mm travel back by up to 40 mm, creating a highly versatile 60-100 mm usable window.
Equipped with PT tapered G1/8 ports and self-adjusting air cushions at both ends, this extruded aluminum barrel design ensures smooth deceleration across its 30-800 mm/s speed range. The rear stopper mechanism allows precise end-position tuning during commissioning or product changeovers without swapping out the entire cylinder, while the integrated sensor grooves on both sides simplify switch mounting.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX100-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 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. |
| ×100 | 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 60-100 mm travel window during product size changes without physically replacing the cylinder or adding external mechanical stops.
Fine-tune the retract stroke at commissioning to perfect seating pressure on delicate 32 mm bore assemblies using the rear adjustment screw.
Achieve precise variable end-stops for testing and assembly fixtures, leveraging the SUS420J2 stainless steel rod for mild corrosion resistance.
If your setup demands greater thrust, stepping up to the 40 mm bore yields 628 N. The adjustable stroke is ideal for machine changeovers where fixed-stroke SAI cylinders would require external stops. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true drop-prevention, consider a SAIL pneumatic lock or an external rod lock. To match this ISO 15552 footprint exactly, specify the 32 mm bore, 100 mm stroke, 40 mm adjustment, PT port thread, and the -S magnet option.
Quick checklist
It can deliver up to 724 N at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 100 mm nominal stroke by up to 40 mm, providing a usable travel window of 60-100 mm. It only sets the end position and does not lock the load without continuous air pressure.
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