
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX175-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 175mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ160X175-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, letting you dial back the 175 mm nominal travel by up to 30 mm. This yields a precise 145-175 mm usable stroke window for fine-tuning end positions during commissioning without swapping the unit or adding external stops.
The adjuster functions strictly as a mechanical travel stop for end-position tuning and works alongside the variable air cushions at both ends, but it does not hold the load without live air pressure. For position holding without continuous air, an external rod lock or related types like the SAIL (air-released lock) or BSAI (clamp-lock) are required. Mounting options include the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX175-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 175 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 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. |
|---|---|
| 160 | 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 exact 145-175 mm travel during press assembly commissioning to accommodate varying material thicknesses without changing the cylinder.
Rapidly adjust the retract end-stop on a packaging line when switching to a different package size, using the 30 mm adjustment range.
The adjustable stroke is ideal for machine setup and product changeovers where the exact retract distance varies, replacing fixed-stroke SAI cylinders when an external stop is impractical. If your application requires holding the load in place during an air pressure drop, select a SAIL or BSAI model instead, as the SAIJ rear adjuster only acts as a deceleration stop. The 40 mm rod diameter and M36x2 thread manage high side loads, but any stroke over 300 mm requires an external guide.
Quick checklist
The rear adjuster screw acts as a mechanical stop that shortens the 175 mm nominal stroke by up to 30 mm, creating a usable travel window of 145-175 mm. It is used for fine-tuning end positions and does not lock or hold the load without live air pressure.
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