Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 180mm 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
- Stroke180 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-20
The AirTAC SAIJ32X180-20 is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, giving you a usable travel window of 160 to 180 mm. Delivering 402 N of push force at 0.5 MPa, it suits lighter-duty positioning tasks. The extruded aluminum barrel features sensor grooves on both sides for straightforward detection setup.
This variant uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and pairs with PT tapered port threads. The rear adjuster screw acts purely as a mechanical stop to fine-tune the retract end position at commissioning without adding external stops. It does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 180 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 SAIJ32AX180-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×180 | 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 SAIJ32AX180-20 Is Used
Machine Changeover
Dial in the 160 to 180 mm travel window during product size transitions without swapping out the entire cylinder body.
End-Position Tuning
Use the 20 mm rear stopper screw to fine-tune the retract stroke precisely during initial commissioning rather than machining external stops.
Light Assembly Automation
Leverage the 402 N push force and SUS420J2 stainless steel rod for reliable component placement in varied manufacturing environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-20 the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force (0.5 MPa) and a 20 mm commissioning window to dial in the exact end-of-stroke position. If your application requires higher force, stepping up to the 40 mm bore yields 628 N. The adjustable rear stopper is ideal for machine changeovers, whereas a fixed-stroke SAI cylinder locks you into one exact dimension.
For load-holding without continuous air pressure, this cylinder is not a lock; the rear screw is only a travel stop. You would need an SAIL pneumatic lock or an external rod lock for fail-safe holding. With a 180 mm stroke, the 12 mm rod and M10x1.25 thread handle moderate side loads, but always guide long unsupported loads. This SAIJ configuration is dimensionally interchangeable per ISO 15552 and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32AX180-20 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 1.0 MPa pressure, it delivers up to 82 kgf.
The nominal 180 mm stroke can be mechanically shortened by up to 20 mm via the rear adjuster screw, creating a 160 to 180 mm usable travel window. This stopper only sets the end position; it does not lock the load without live air pressure.
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