
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX75-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 75mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ100X75-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling a usable travel window of 45 to 75 mm. The extruded aluminum barrel features sensor grooves on both sides, and this specific configuration includes a magnet for CMSE reed and DMSE electronic switches.
This model uses an SUS420J2 stainless steel rod for enhanced corrosion resistance and PT tapered port threads. The rear adjustment screw acts purely as a mechanical stop to fine-tune the retract distance without adding external stops. It supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX75-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 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. |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 end-stop up to 30 mm during product size transitions on a packaging line without physically swapping out the actuator.
Fine-tune the retract position at commissioning to perfectly time machine sequencing and avoid hard mechanical crashes.
Adjust the 45-75 mm travel window on the fly to accommodate varying material thicknesses or feeding lengths in automated assembly.
The 30 mm adjustment range is ideal for product size changeovers on a line, letting you dial in the exact retract end-point without swapping the cylinder. For strokes of 300 mm or more, an external guide is recommended to manage side loads, though this 75 mm stroke is well within safe rod limits.
Remember that the rear adjuster and air cushions only decelerate the travel end; they do not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL pneumatic lock, BSAI clamp-lock, or an external rod lock. To match this ISO 15552 interchangeable cylinder, specify the 100 mm bore, 75 mm stroke, 30 mm adjustment, PT ports, and the -S magnet option.
Quick checklist
The rear adjuster screw acts as a mechanical stop that lets you shorten the 75 mm nominal stroke by up to 30 mm, providing a usable travel window of 45 to 75 mm. It functions as a travel stop, not a lock, so it cannot hold the load without live air pressure.
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