
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX65-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 65mm 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 SAIJ100X65-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 35 to 65 mm for precise end-position tuning. The extruded aluminum barrel features sensor grooves on both sides, and this -S variant includes a magnet for direct compatibility with AirTAC CMSE reed and DMSE electronic solid-state switches.
This model features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and utilizes PT tapered port threads (G1/2) for secure pneumatic connections. The rear adjuster acts purely as a mechanical stop to trim the retract stroke and works in tandem with the standard air cushions at both ends to decelerate the load. It does not hold the load without live air pressure; for positive load-holding, an external rod lock or a SAIL/BSAI cylinder is required.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX65-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 65 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. |
| ×65 | 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 35-65 mm travel window during machine setup to accommodate different product sizes without physically replacing the cylinder.
Use the rear mechanical stop to fine-tune the end-of-stroke position for varying component heights on automated assembly equipment.
The adjustable stroke is ideal for product-size changeovers on a line, allowing operators to dial in the 35-65 mm travel window during commissioning rather than adding external stops.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 65 mm stroke, 30 mm adjustment, PT port threads, and the -S magnet requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Because the 25 mm rod and M20x1.5 thread handle substantial side loads, ensure proper external guiding if the load is heavy or off-center.
Quick checklist
At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw allows you to shorten the nominal 65 mm stroke by up to 30 mm, creating a usable travel window of 35 to 65 mm. This stopper fine-tunes the end position but does not lock the load without continuous air pressure.
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