
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX260-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 260mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ32X260-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 220-260 mm usable travel window from its 260 mm nominal stroke. Delivering 402 N of push force at 0.5 MPa, it uses a PT tapered G1/8 port and a 12 mm SUS420J2 stainless steel rod for improved corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
Equipped with a magnet for position sensing, this unit supports AirTAC CMSE reed and DMSE solid-state switches. The rear adjuster screw acts purely as a mechanical stop to fine-tune the retract end position during commissioning without adding external stops. It provides variable air cushioning at both ends with a 27 mm cushion length to manage deceleration.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX260-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 260 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
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. |
| ×260 | 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 within the 220-260 mm window during machine setup to accommodate varying product sizes without physical spacers.
Quickly reconfigure the stroke length on production lines handling multiple part formats, minimizing downtime between product runs.
Utilize the integrated magnet with DMSE electronic sensors to confirm exact end-of-stroke positions after making fine mechanical adjustments to the rear stopper.
Choose this 32 mm bore when your application requires less force than the 40 mm bore (which provides 628 N push at 0.5 MPa) but needs precise end-position tuning. The 40 mm adjustment range is ideal for product changeovers on a line, allowing you to dial in the exact retract distance without swapping the cylinder. Mounting options include the SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Because the 260 mm stroke exceeds 300 mm is not applicable here, but note that the 12 mm rod thread (M10x1.25) handles moderate side loads; for long unsupported travel, always use an external guide. Remember that the rear adjuster is a travel stop, not a lock—this cylinder will not hold a load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series. To match ISO 15552 interchangeability, specify the 32 mm bore, 260 mm stroke, PT port, SUS420J2 rod, and -S magnet.
Quick checklist
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel by up to 40 mm, creating a 220-260 mm usable stroke window. This mechanical stop fine-tunes the retract position at commissioning but does not lock the load without live air pressure.
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