
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX160-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 160mm 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 SAIJ80X160-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 160 mm travel by up to 100 mm, yielding a usable 60-160 mm end-position window.
Equipped with a magnet for position sensing, this unit interfaces seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches housed in the dual-side sensor grooves. The rear stopper allows fine end-position tuning during commissioning without swapping the cylinder or adding external stops, though it acts purely as a travel deceleration point and does not hold the load without live air pressure.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX160-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 160 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. |
| ×160 | 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 exact 60-160 mm stroke instantly when switching machinery between different product sizes, eliminating the need to physically swap cylinders during line retooling.
Fine-tune the retract end-stop during machine commissioning to perfectly align tooling or stops without fabricating and bolting on external mechanical spacers.
Choose this 80 mm bore when an application requires stepping up from a 63 mm cylinder (1402 N pull at 0.5 MPa) to handle heavier 2268 N pull loads while needing extreme setup flexibility. The 100 mm adjustment range is ideal for product-size changeovers on a line, letting operators dial in the exact 60-160 mm stroke on the fly instead of installing a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, this cylinder is insufficient; consider an AirTAC SAIL pneumatic lock, BSAI clamp-lock, or an external rod lock. To match this ISO 15552 replacement exactly, specify the 80 mm bore, 160 mm stroke, 100 mm adjust, PT G3/8 ports, and the -S magnet. Because the stroke is under 300 mm, side-load concerns are minimal, but the 25 mm rod still handles lateral forces better than smaller bores.
Quick checklist
The rear external adjusting screw acts as a mechanical stopper that shortens the effective stroke by up to 100 mm. This transforms the nominal 160 mm stroke into a variable 60-160 mm travel window, allowing precise end-position tuning without replacing the cylinder.
It can achieve a maximum thrust of 513 kgf at 1.0 MPa.
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