
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX175-40S 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 SAIJ160X175-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 135 to 175 mm. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This adjustable-stroke model allows precise end-position tuning during commissioning without swapping the cylinder or adding external stops. It features PT tapered ports and a built-in magnet for CMSE reed or DMSE electronic sensors. The rear adjuster acts as a travel stop to set deceleration, but it does not hold the load without live air pressure.
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX175-40S |
|---|---|
| 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 135-175 mm end position for heavy pressing operations during initial setup without machining external stopper blocks.
Quickly adjust the retract distance on packaging lines when switching to different product sizes, saving valuable commissioning time.
Choose the SAIJ adjustable design over a fixed SAI when a machine handles frequent product-size changeovers that require a dialed-in retract position.
For an exact ISO 15552 replacement, match the 160 mm bore, 175 mm stroke, 40 mm adjustment, PT port thread, and -S magnet. Because the 175 mm stroke is under 300 mm, side-load stress is manageable, though the robust 40 mm rod and M36x2 thread handle substantial loads. If true load-holding is required without live air, use an external rod lock or pilot-operated check valve, as the adjuster is not a brake.
Quick checklist
At 0.9 MPa, the push force increases to 18095 N.
The rear adjuster screw allows you to shorten the effective stroke by up to 40 mm, creating a usable travel window of 135 to 175 mm. It acts as a mechanical stop for end-position tuning and does not lock the load without air pressure.
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