
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32BX140-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 140mm 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 SAIJ32X140-100-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster.
This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and an integrated magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel maintains standard ISO 15552 mounting dimensions while omitting FB, CA, CB, and CR bracket options in favor of the Basic, FA, LB, TC, FTC, TCM1, and TCM2 set.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 140 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. |
| ×140 | 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.
Ideal for test fixtures where the exact stopping point of the 12mm rod must be dialed in precisely within the 40-140mm window during commissioning.
Enables rapid line changeovers on packaging equipment by adjusting the rear stopper up to 100mm rather than physically replacing the cylinder.
The SUS304 stainless steel rod makes this adjustable cylinder suitable for light-duty positioning in environments where standard carbon steel rods would degrade.
Choose this 32mm bore cylinder when an application demands extreme setup flexibility, as the 100mm adjustment range allows a single unit to cover multiple product sizes without swapping hardware. Conversely, lighter duties might use a fixed SAI cylinder if rear-tuning is unnecessary.
Because the 140mm stroke is under the 300mm threshold, side-load stress on the 12mm rod is moderate, but an external guide remains recommended for heavy off-center loads. Remember that the rear adjuster is a travel stop, not a lock; the SAIJ32X140-100-S will not hold a load without live air, so consider an AirTAC SAIL or BSAI cylinder if true mechanical locking is required.
Quick checklist
At its maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster acts as an external stopper that lets you shorten the effective stroke by up to 100mm without changing the cylinder. This gives the 140mm nominal stroke a usable travel window of 40-140mm for fine-tuning at commissioning.
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