
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX80-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 80mm 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 SAIJ100X80-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window down to 5-80 mm. The barrel is extruded aluminum with sensor grooves on both sides for flexible positioning.
This unit is configured with a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread. The rear adjuster acts as a travel stop to dial in end positions during commissioning, but it does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX80-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 80 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. |
| ×80 | 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.
Quickly adapt end-stops for different sized parts on a single production line without physically swapping cylinders or adding external mechanical stops.
Dial in the exact 5 to 80mm travel window during machine setup to perfectly time pressing or lifting motions without trial-and-error shimming.
The 75mm adjustment range is exceptionally wide, making it ideal for product changeovers on a line where end positions frequently vary by tens of millimeters, eliminating the need to swap out a fixed-stroke SAI cylinder.
To match this ISO 15552 dimensionally interchangeable cylinder, specify a 100mm bore, 80mm stroke, 75mm adjustment, PT port, and your required mounting from the SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR are omitted). Because the stroke is under 300mm, side-load stress is manageable, but always guide long unsupported loads externally.
Quick checklist
It operates at speeds between 30 and 800 mm/s.
The rear adjuster screw acts as an external stop that lets you mechanically shorten the nominal 80mm stroke down to a minimum of 5mm. It sets the travel end and deceleration point but does not lock the load without live air pressure.
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