
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32AX950-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 950mm 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 SAIJ32X950-100-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. This adjustability allows precise end-position tuning at commissioning without swapping the cylinder or adding external stops.
This specific configuration includes a SUS420J2 stainless steel rod (code A) for improved corrosion resistance and a built-in magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides, and fluid must be filtered to 40 um. The rear adjuster acts strictly as a travel stop to set the deceleration point, not as a lock to hold the load without live air.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX950-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 950 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. |
| ×950 | 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 850-950mm travel window during format changeovers on packaging lines without physically replacing the actuator.
Trim the rear stopper by up to 100mm to perfectly set the end-of-stroke position during initial machine setup.
Adjust the retract position on the fly for automated assembly equipment that processes parts of varying lengths.
The adjustable stroke is ideal for machine setups requiring product-size changeovers, whereas a fixed SAI cylinder is better for static operations. Because this is a 950mm stroke, the 12mm rod and M10x1.25 thread will carry limited side load, so an external guide is mandatory to prevent rod bending.
For a direct ISO 15552 replacement match, specify the 32mm bore, 950mm stroke, 100mm adjustment, PT tapered port, and the -S magnet. If your process requires holding the load without live air pressure, the rear adjuster will not suffice; consider an AirTAC SAIL pneumatic lock, a BSAI clamp-lock, or an external rod lock. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
The rear adjuster acts as an external stopper that trims the effective stroke. For this model, the 950mm nominal stroke can be dialed back by up to 100mm, resulting in an 850-950mm usable travel window. It sets the travel end but does not lock the load without live air.
The maximum thrust is 82 kgf at 1.0 MPa.
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