
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX145-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 145mm 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 SAIJ100X145-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 45-145 mm usable travel window. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
This model uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered ports. The rear adjuster acts purely as a mechanical stop to fine-tune end positions during commissioning. It does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX145-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 145 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. |
| ×145 | 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 retract position for varying part lengths without physically changing the cylinder or adding external stopper blocks.
Rapidly reconfigure automated machinery for new product sizes by adjusting the rear screw during setup rather than swapping tooling.
The 100 mm adjustment range is ideal for machines requiring frequent product-size changeovers, eliminating the need to swap cylinders or bolt on external stops. When specifying a replacement, match the 145 mm stroke, 100 mm adjustment, PT G1/2 port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
Because the nominal stroke is 145 mm, side-load is manageable, but long unsupported strokes still require an external guide. The rod and M20x1.5 thread handle high side loads well. The rear screw decelerates travel but is not a lock; use a pilot-operated check valve for position holding without live air.
Quick checklist
At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw lets you trim the 145 mm nominal stroke back by up to 100 mm, creating a 45-145 mm travel window. It acts as a mechanical stop and does not lock the load without air pressure.
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