
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X200-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 200mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
The AirTAC SAIJ32X200-20 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 200mm nominal stroke that can be dialed back by up to 20mm, yielding a 180-200mm usable travel window for exact end-position tuning. Delivering 345N of pull force at 0.5MPa, it fits light-duty positioning tasks perfectly.
The rear screw acts purely as a mechanical stop to trim travel during commissioning, so it will not hold a load without live air pressure. Unlike fixed-stroke SAI units, this design omits the FB, CA, CB, and CR mounting options, offering a reduced set of interfaces (Basic, FA, LB, TC, FTC, TCM1, TCM2). The extruded aluminum barrel features sensor grooves on both sides for flexible switch placement.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X200-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
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. |
| ×200 | 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 180-200mm travel window during product size transitions without physically replacing the actuator.
Fine-tune the final retract position during machine commissioning using the rear screw rather than adding external stops.
Execute precise 32mm bore routing and diverting tasks where 402N of push force at 0.5MPa is sufficient.
Select this 32mm bore when your application requires 345N pull force at 0.5MPa and on-the-fly end-stop calibration without swapping cylinders. If your setup needs more thrust, stepping up to the 40mm bore yields 528N of pull force. The SAIJ32X200-20 is chosen over a fixed SAI model specifically for product changeovers requiring a variable end-stop. Because the nominal stroke is 200mm, an external guide is recommended to prevent side-load wear on the 12mm rod and M10x1.25 thread. For load-holding without live pressure, use an SAIL or BSAI cylinder instead of relying on the adjuster. To match ISO 15552 replacements, specify: 32mm bore, 200mm stroke, 20mm adjustment, PT G1/8 port, and no magnet.
Quick checklist
It features a rear adjuster screw that allows you to shorten the effective travel by up to 20mm. This creates a 180-200mm usable stroke window, letting you fine-tune the retract end position without changing the cylinder.
At 0.5MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can reach 724N of push force at 0.9MPa.
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