Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 185mm 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
- Stroke185 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30
The AirTAC SAIJ32X185-30 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 185 mm stroke that can be fine-tuned down by up to 30 mm, creating a usable travel window of 155-185 mm to perfectly dial in retract end positions without adding external stops. In the compact 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 (material code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Fluid must be filtered to 40 um, and the cylinder operates at pressures between 0.15 and 1.0 MPa.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 185 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 SAIJ32AX185-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×185 | 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 SAIJ32AX185-30 Is Used
Machine Changeover
Quickly dial in the 155-185 mm retract distance when switching between product sizes on a packaging line, avoiding the need to physically swap cylinders.
End-Stop Calibration
Fine-tune the final retract position during commissioning using the rear screw, ensuring precise alignment without bolting on external mechanical stops.
Light Assembly Pushing
Utilize the 402 N push force at 0.5 MPa for light-duty pressing or positioning tasks where exact end-of-stroke placement is critical to the process.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX185-30 the Right Cylinder?
Choose this 32 mm bore when an application requires precise retract positioning within the 155-185 mm range, such as during product changeovers on a conveyor. If your setup needs greater thrust, stepping up to the 40 mm bore increases push force to 628 N at 0.5 MPa. Conversely, if lower friction or smaller footprint is required, confirm smaller options from the datasheet.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 185 mm stroke, 30 mm adjustment range, PT tapered port threads, and the specific mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for load-holding without pressure, consider the SAIL or BSAI series.
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 SAIJ32AX185-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum rated pressure of 1.0 MPa, it achieves a maximum push force of 82 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm. This creates a usable travel window of 155-185 mm from the nominal 185 mm stroke, enabling precise end-position tuning at commissioning. The adjuster is a stop, not a lock, and requires live air to maintain position.
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