
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 140mm 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 SAIJ32X140-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 140 mm nominal travel by up to 30 mm. This creates a usable 110-140 mm end-position window, allowing precise fine-tuning at commissioning without swapping the cylinder or adding external stops. It delivers 402 N of push force at 0.5 MPa and features a SUS304 stainless steel rod for superior corrosion resistance.
As a compact 32 mm bore unit, it uses a PT G1/8 port and includes a magnet (-S) for position sensing. The sensor grooves on both sides of the extruded aluminum barrel accept AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a travel stop for deceleration and end-position setting; it is not a lock, so the cylinder cannot hold a load without live air pressure.
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 140 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. |
| ×140 | 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 adjust the 110-140 mm travel window to accommodate different package lengths on a packaging line without changing hardware.
Fine-tune the retract end-position during commissioning to dial in exact clamping or pushing distances.
Use the rear stopper to set precise deceleration points for light-duty assembly tasks requiring 402 N of push force.
Select this 32 mm bore cylinder when an application requires variable end-stops within a 110-140 mm travel range, stepping down from a 40 mm bore (which provides 628 N push at 0.5 MPa) if your force requirements are moderate. An adjustable stroke is chosen over a fixed SAI cylinder when you need on-the-fly machine setup or product-size changeovers. For load-holding without continuous air pressure, consider the SAIL or BSAI series instead. To match this ISO 15552 replacement exactly, specify: 32 mm bore, 140 mm stroke, 30 mm adjustment, PT G1/8 port, and the -S magnet.
Because the stroke is under 300 mm, side-load stress on the 12 mm rod is manageable, though external guidance is always recommended for rigid loads. The available mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Quick checklist
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the 140 mm nominal stroke by up to 30 mm, providing an effective travel window of 110-140 mm. This stopper sets the end position but does not lock the load without live air.
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