Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 230mm 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.
- BoreØ32 mm
- Stroke230 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S
The AirTAC SAIJ32X230-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 230 mm nominal stroke that can be fine-tuned down by up to 20 mm, giving you a usable travel window of 210-230 mm to perfectly dial in end positions without external stops. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant features a SUS420J2 stainless steel rod for improved corrosion resistance and includes a magnet for position sensing. The extruded aluminum barrel integrates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. It uses a G1/8 port and offers variable air cushions at both ends to decelerate the load smoothly.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 230 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.
Theoretical Output Force (Ø32mm)
| 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.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×230 | 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.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S Is Used
Machine Setup & Changeover
Dial in the exact 210-230 mm end-stop during product size changeovers without swapping hardware or adding external shims.
Variable End-Stop Positioning
Fine-tune the retract position on the fly during commissioning to perfect the alignment of tooling and fixtures.
Sensor-Ready Actuation
Leverage the built-in magnet and dual sensor grooves to mount CMSE or DMSE switches exactly where needed across the travel window.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S the Right Cylinder?
Choose this 32 mm bore when your application requires around 402 N of thrust at 0.5 MPa; step up to the 40 mm bore if you need 628 N of push force. An adjustable-stroke cylinder is selected over a fixed SAI model when you need on-the-fly end-position tuning during commissioning or product changeovers. Remember that the rear adjuster acts only as a travel stop, not a lock, so it will not hold the load without live air. For load-holding without pressure, consider an external pilot-operated check valve or the SAIL series.
To match this ISO 15552 cylinder for a replacement, verify the 32 mm bore, 230 mm stroke, 20 mm adjustment range, PT tapered port threads, and the -S magnet option. At 230 mm of travel, the 12 mm rod diameter handles standard loads well, but always ensure external guiding for any heavy or high-inertia payloads to prevent side-loading damage.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX230-20S FAQ
It features a rear adjusting screw that lets you shorten the effective stroke by up to 20 mm. This provides a usable travel window of 210-230 mm, allowing you to set the exact retract end position during commissioning without changing the cylinder.
At 0.5 MPa operating pressure, it 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.
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