
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32BX180-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 180mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAIJ32X180-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 180 mm travel by up to 20 mm, creating a precise 160-180 mm usable window.
This unit includes a SUS304 stainless steel rod for corrosion resistance and comes with a built-in magnet (-S) compatible with AirTAC CMSE reed and DMSE electronic sensors. It uses a PT tapered port and offers a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 180 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 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. |
|---|---|
| 32 | Bore size in mm. |
| ×180 | 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 160 to 180 mm during initial commissioning to perfect end-of-stroke positioning without adding external stops.
Quickly adjust the travel window when running a new product batch on a conveyor or handling line, saving time on mechanical reconfiguration.
Use the fine rear adjustment to set precise pressing or positioning depth in light-force 402 N assembly tasks.
Choose this 32 mm bore when an application requires lower force with the flexibility to fine-tune the retract end position during commissioning or product changeovers without swapping the cylinder. If your process needs more push power, stepping up to the 40 mm bore yields 628 N at 0.5 MPa.
The rear adjuster acts solely as a travel stop to set deceleration and end positions; it does not hold the load without live air. For drop-prevention or load-holding requirements, consider the SAIL or BSAI series instead. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with standard ISO cylinders.
Quick checklist
At 0.7 MPa the push force increases to 563 N.
The rear adjuster screw lets you shorten the 180 mm nominal stroke by up to 20 mm, providing a usable travel window of 160 to 180 mm for fine end-position tuning.
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