
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX75-10 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 SAIJ100X75-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. The integrated -10 adjustment mechanism allows you to trim the effective travel back by up to 10mm, creating a precise 65-75mm usable stroke window for exact end-position tuning.
This variant uses a SUS420J2 stainless steel rod (material code A) for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 attachments. Variable air cushions at both ends manage deceleration, though neither the cushion nor the rear stopper acts as a lock to hold the load without live air pressure.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX75-10 |
|---|---|
| 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 65-75mm travel window during product size changes to set new end positions without physically swapping the cylinder.
Use the rear screw to precisely trim the stroke by up to 10mm at commissioning, ensuring exact mechanical alignment without external stops.
The adjustable stroke is ideal for machine setup and product changeover, allowing you to fine-tune the end stop without swapping cylinders or adding external stops. When replacing an ISO 15552 cylinder, match the 100mm bore, 75mm stroke, PT port threads, and the 10mm adjustment range. Note that a plain SAIJ does not hold position without live air; for load-holding, consider SAIL or BSAI types.
Quick checklist
The operational speed range is 30-800 mm/s, matching standard ISO 15552 performance for a 100mm bore.
A rear-mounted adjusting screw acts as a mechanical stop, allowing you to shorten the 75mm nominal stroke by up to 10mm, resulting in a 65-75mm usable travel window. It sets the travel end but does not lock the load without continuous air pressure.
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