
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32AX100-75S 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 SAIJ32X100-75-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 100 mm stroke that can be dialed back by up to 75 mm, creating a highly flexible 25-100 mm usable travel window.
This variant features a SUS420J2 stainless steel rod (code A) for improved corrosion resistance and includes a magnet (-S) for use with CMSE reed and DMSE electronic sensors. The extruded aluminum barrel houses sensor grooves on both sides, and the PT tapered port threads match the standard G1/8 fitting size for this bore.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX100-75S |
|---|---|
| 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 exact 25 to 100 mm end-stop during machinery format changes without physically replacing the cylinder or adding shims.
Fine-tune the retract distance on test fixtures to find the optimal operating window before locking down a final design.
Vary the push-back distance on small parts ejectors to accommodate different material widths on the fly.
Choose this 32 mm bore when an application demands extensive end-position variability without swapping hardware, as the 75 mm adjustment range is massive relative to the 100 mm nominal stroke. Remember that the rear adjuster is a travel stop, not a lock; the SAIJ32X100-75-S cannot hold a load without live air, so consider an external rod lock or the SAIL series for positive holding.
For an exact ISO 15552 replacement, match the 32 mm bore, 100 mm stroke, 75 mm adjustment, PT port threads, and the -S magnet requirement. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles. The 12 mm rod and M10x1.25 thread provide adequate support, though any stroke over 300 mm would require an external guide.
Quick checklist
At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjusting screw acts as a mechanical stop, allowing you to shorten the effective stroke from its 100 mm nominal length down to as little as 25 mm. This stop only sets the travel end and does not lock the load without continuous air pressure.
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