
The AirTAC Adjustable Cylinder SAIJ32 SAIJ32AX85-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 85mm 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 SAIJ32X85-75 is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. This wide adjustment range is perfect for applications requiring highly variable end positions without swapping hardware.
Built with an SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance, this 32 mm bore unit utilizes PT tapered ports and operates at speeds of 30-800 mm/s. The extruded aluminum barrel includes sensor grooves on both sides, and mounting is supported via a specific subset of accessories: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 85 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. |
| ×85 | 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.
Quickly adapt the retract end position for different product sizes on a packaging line without physically replacing the cylinder.
Fine-tune the 10-85 mm travel window during initial commissioning to achieve exact positioning without adding external stopper blocks.
Dial in the precise stroke distance for delicate pressing or clamping operations where the required travel varies between batches.
The SAIJ32X85-75 is selected over a fixed SAI cylinder when machine formats change frequently, as the rear screw acts as an external stop to set the retract end position precisely.
Because the stroke is under 300 mm, side-load stress on the 12 mm rod is manageable, though external guides are still recommended for heavy lateral loads. Note that the rear adjuster is a travel stop, not a lock; the cylinder will not hold its load without live air. For load-holding requirements, consider the SAIL or BSAI series. This configuration uses PT tapered ports and lacks a magnet, so position sensing requires external limits.
Quick checklist
At 0.9 MPa, the push force increases to 724N.
The SAIJ32X85-75 has a nominal stroke of 85 mm with a 75 mm adjustment code. By turning the rear screw, you can shorten the effective stroke, creating a usable travel window ranging from 10 mm to 85 mm to suit your exact positioning needs.
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