
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 275mm 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 SAIJ32X275-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 255 to 275 mm, allowing you to dial back the nominal 275 mm stroke by up to 20 mm during machine commissioning. Delivering 402 N of push force at 0.5 MPa, it fits light-duty positioning tasks perfectly.
This variant uses a SUS420J2 stainless steel rod for superior corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE reed or DMSE solid-state switches if a magnet is specified later. It features PT tapered port threads (G1/8) and adjustable air cushions at both ends to decelerate the load smoothly.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 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. |
| ×275 | 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 retract distance up to 20 mm when switching between product sizes on a packaging line, avoiding the need to physically swap cylinders.
Fine-tune the final end-stop during initial commissioning to compensate for mechanical tolerances without adding bulky external stopper blocks.
Act as a compact sorting gate where the 402 N thrust is sufficient, and the adjustable travel window allows quick reconfiguration for different package widths.
Choose this 32 mm bore when 402 N of thrust at 0.5 MPa is sufficient, or step up to the 40 mm bore if you need 628 N of push force. The adjustable stroke is selected over a fixed SAI cylinder when product sizes change on a line, letting you fine-tune the retract end-position without swapping hardware. The rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider the SAIL or BSAI series. To match this ISO 15552 replacement, specify the 32 mm bore, 275 mm stroke, 20 mm adjustment, PT G1/8 port, and no magnet. For a 275 mm stroke, ensure external guides support the rod to prevent excessive side-loading.
Quick checklist
It features a rear adjusting screw that lets you shorten the effective stroke by up to 20 mm, providing a usable travel window of 255 to 275 mm. The adjuster acts as a mechanical stop to set the end position and does not lock the load without live air pressure.
At 0.5 MPa operating pressure, it provides 402 N of push force and 345 N of pull force. The double-acting cylinder operates at speeds between 30 and 800 mm/s, supported by adjustable air cushions at both ends.
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