
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX85-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 85mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
By turning the external stopper screw, you can trim the effective travel within a precise 75-85mm window, perfect for dialing in end positions during commissioning without swapping hardware.
This variant features an SUS420J2 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE and DMSE sensors. It uses a PT G3/8 port and retains the standard extruded aluminum barrel, while offering a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX85-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 85 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 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. |
|---|---|
| 80 | Bore size in mm. |
| ×85 | 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 dial in the 75-85mm retract position when switching product sizes on a packaging line, avoiding mechanical teardown.
Fine-tune the final resting position of a heavy press tool during commissioning to achieve exact dimensional accuracy.
Adjust the pusher stroke length on the fly to accommodate different package widths without adding external hard stops.
The 10mm adjustment window is ideal for product-size changeovers on a line, letting you fine-tune the retract stop on the fly instead of installing fixed spacers.
For an exact ISO 15552 replacement, match the 80mm bore, 85mm stroke, PT G3/8 port, SUS420J2 rod, and -S magnet. Remember that the rear adjuster acts only as a travel stop, not a lock; if you need to hold a load without live air pressure, consider an AirTAC SAIL or BSAI cylinder.
Quick checklist
At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw acts as a mechanical stop that trims the nominal 85mm stroke back by up to 10mm, creating a usable travel window of 75-85mm. It sets the end position but does not lock the load without live air.
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