
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX155-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 155mm 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 SAIJ160X155-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to fine-tune the travel window from 80 to 155 mm without external stops. Built with a SUS304 stainless steel rod, it delivers a robust 9425N pull force at 0.5 MPa and operates at speeds between 30-500 mm/s. This made-to-order 155 mm stroke configuration provides exact end-position tuning during machine commissioning.
It utilizes PT-tapered G3/4 ports and includes variable air cushions at both ends to manage impact deceleration. The extruded aluminum barrel features sensor grooves on both sides, ready for electronic DMSE or reed CMSE switches if a magnet is added later. The rear adjuster acts purely as a mechanical stop to set the retract position and does not hold the load without live air pressure.
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX155-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 155 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. |
| ×155 | 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 retract distance from 80 to 155 mm during machine setup to accommodate changing material thicknesses without replacing the cylinder.
Use the 75 mm rear adjustment screw to trim the end position precisely, absorbing mechanical tolerances during initial assembly and product changeovers.
Leverage the 9425N pull force at 0.5 MPa for clamping or forming operations, relying on the SUS304 rod for corrosion resistance in harsh environments.
Choose this 160 mm bore when your application requires substantial thrust—such as 9425N pull at 0.5 MPa—that exceeds the 5734N pull of the 125 mm bore. The 75 mm adjustment range is ideal for product changeovers on a line where the exact end position varies, saving you from swapping out a fixed-stroke SAI cylinder. If your process needs to hold a load vertically without continuous air pressure, you must look at the SAIL or BSAI locking series instead, as the SAIJ adjuster is only a travel stop. Because the stroke is 155 mm, side-loading is minimal, but always guide the rod end to prevent premature wear.
Quick checklist
At the maximum operating pressure of 1.0 MPa, it delivers 2050 kgf.
The rear adjuster screw lets you shorten the effective travel from the 155 mm nominal stroke down to 80 mm, giving a usable 80-155 mm window. It acts as a mechanical stop and does not lock the load without live air pressure.
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