
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX175-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 175mm 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.
The AirTAC SAIJ80X175-10-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. The integrated -S magnet enables position sensing via AirTAC CMSE reed or DMSE electronic switches fitted into the dual-side sensor grooves.
This specific SKU features a 175mm nominal stroke that can be fine-tuned down by up to 10mm, creating a precise 165-175mm usable travel window. The piston rod is constructed from SUS420J2 stainless steel (material code A) for enhanced corrosion resistance, and ports feature PT tapered threading. The rear adjuster acts purely as a mechanical stop to set the retract end position during commissioning without requiring external stops.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX175-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 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. |
| ×175 | 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 165-175mm retract end-stop during production line format changes without swapping cylinders or adding external mechanical stops.
Fine-tune the final retract position at machine commissioning to achieve exact alignment, utilizing the 10mm adjustment range for perfect placement.
An adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers, avoiding the need to physically swap out a fixed-stroke SAI cylinder. To replace this cylinder, match the 80mm bore, 175mm stroke, 10mm adjustment, PT port, and -S magnet.
Since this model features a 175mm stroke, the 25mm piston rod and M20x1.5 rod thread provide excellent rigidity, though long unsupported loads still require an external guide. Note that the rear adjuster and air cushions only decelerate the travel end; they do not hold the load without live air. For positive load-holding, consider an AirTAC SAIL or BSAI cylinder. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Quick checklist
At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 175mm nominal stroke by up to 10mm. This creates a 165-175mm usable travel window for fine-tuning the end position without replacing the cylinder.
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