
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX100-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 100mm 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 SAIJ100X100-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 60-100mm usable travel window. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This variant uses an SUS420J2 stainless steel rod for improved corrosion resistance compared to standard carbon steel. The rear stopper screw allows you to dial in the exact end position during commissioning without adding external stops. It operates at speeds of 30-800mm/s and uses PT tapered G1/2 ports.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX100-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 100 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. |
| ×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 60-100mm travel window on the fly to accommodate different package sizes on the same line without changing cylinders.
Fine-tune the retract end position during commissioning to achieve precise pressing or clamping without external stopper blocks.
The 40mm adjustment range is ideal for product changeovers, letting you shift the end-stop dynamically rather than swapping a fixed SAI cylinder.
For ISO 15552 replacement matches, specify the 100mm bore, 100mm stroke, 40mm adjustment, PT G1/2 port, and SUS420J2 rod. Remember that the rear adjuster is a travel stop, not a lock; it cannot hold a load without live air. For position holding, consider an external pilot-operated check valve. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
At 0.7MPa, the push force increases to 5497N.
The rear adjuster screw allows you to shorten the 100mm nominal stroke by up to 40mm, creating a 60-100mm usable travel window. It acts as a mechanical stop and does not lock the load without air pressure.
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