
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX100-40S 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 with a rear stroke adjuster, letting you dial back the 100 mm nominal travel to a 60-100 mm usable window. The integrated -S magnet enables position sensing with AirTAC CMSE reed and DMSE solid-state switches.
This variant uses a SUS304 stainless steel rod for corrosion resistance and features a PT tapered port thread. The rear stopper allows fine end-position tuning during commissioning without adding external stops. The adjuster acts purely as a travel stop, not a load lock, so live air is required to hold position.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX100-40S |
|---|---|
| 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.
Fine-tune the 60-100 mm travel window during setup to hit exact end positions without swapping cylinders.
Quickly adjust the retract stop on a packaging line when handling slightly different package lengths.
Use the 40 mm rear adjuster to set precise stopping points for light-duty assembly tasks.
If your setup requires less force, dropping to a 20 mm bore lowers the 0.5 MPa push force to 314 N, whereas stepping up to a 40 mm bore increases it to 628 N. The 100 mm stroke is well within the 1000 mm standard maximum, and the 12 mm rod handles moderate side loads, though long unsupported travel still needs an external guide.
When matching an ISO 15552 replacement, verify the 100 mm stroke, 40 mm adjustment range, PT port thread, and the -S magnet. For load-holding without live air pressure, select a SAIL pneumatic lock or BSAI clamp-lock cylinder instead of relying on the rear adjuster.
Quick checklist
At 0.9 MPa, the push force increases to 724 N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the 100 mm nominal stroke down to a 60 mm minimum. It is a travel stop, not a lock, so live air is needed to hold the load.
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