
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32AX135-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 135mm 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 SAIJ32X135-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 135 mm travel back by up to 100 mm. This creates a highly flexible 35-135 mm usable travel window, perfect for dialing in exact end positions during machine commissioning without swapping hardware.
This specific SKU is configured with an SUS420J2 stainless steel rod (option A) for improved corrosion resistance compared to standard carbon steel. Because the maximum standard stroke for a 32 mm bore is 1000 mm, this 135 mm unit is a standard length, but the large 100 mm adjustment range gives it exceptional setup versatility. The extruded aluminum barrel includes sensor grooves on both sides, and the rear adjuster acts purely as a mechanical stop to set the retract end position.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX135-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 135 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. |
| ×135 | 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 35-135 mm travel window during product size changeovers to set new retract positions without installing external physical stops.
Fine-tune the end-of-stroke position during initial machine setup to absorb mechanical tolerances and achieve exact part placement.
Use the 100 mm adjustment range to alter the retract distance on the fly for testing different pickup heights or push depths.
An adjustable stroke is ideal when you need variable end-stops for product changeovers rather than relying on a fixed-stroke SAI cylinder. To match this ISO 15552 cylinder, specify a 32 mm bore, 135 mm stroke, 100 mm adjustment, PT ports, and no magnet. Note that the rear adjuster is a travel stop, not a lock; the cylinder will not hold a load without live air pressure, so consider a SAIL or BSAI cylinder if load-holding is required.
Quick checklist
At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw lets you shorten the 135 mm nominal stroke by up to 100 mm, creating a usable travel window of 35 to 135 mm. It acts as a mechanical stop to set the end position and does not lock the load without air pressure.
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