
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 65mm 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 SAIJ32X65-20-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 45 to 65 mm, allowing you to dial back the nominal 65 mm stroke by up to 20 mm during commissioning.
This model uses a PT G1/8 port and adjustable air cushions at both ends to decelerate the load. The rear adjuster acts as a travel stop, not a lock, so live air pressure is required to hold the load. For load-holding without pressure, consider the SAIL or BSAI series instead.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 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. |
| ×65 | 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 45 to 65 mm travel distance during machine setup without adding external physical stops.
Quickly adjust the retract end-stop to accommodate varying part sizes on a single assembly line.
Provides 402 N of precise, repeatable clamping force for small components and delicate fixtures.
The adjustable 45-65 mm window is ideal for variable end-stops or product-size changeovers, saving you from swapping a fixed-stroke SAI cylinder. Because it carries a -S magnet, you can track position using AirTAC CMSE reed or DMSE electronic sensors.
As a dimensionally interchangeable ISO 15552 cylinder, it replaces units with a 32 mm bore, 65 mm stroke, 20 mm adjustment, PT G1/8 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting. The 12 mm rod and M10x1.25 thread handle moderate side loads, though external guides are recommended for unsupported loads.
Quick checklist
At the maximum 1.0 MPa pressure, it delivers up to 82 kgf.
The rear adjuster screw lets you shorten the effective travel from the 65 mm nominal stroke down to 45 mm. This creates a 20 mm adjustable window for fine-tuning the retract end position without replacing the cylinder.
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