Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 80mm 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
- Stroke80 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-20S
The AirTAC SAIJ32X80-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the nominal 80 mm travel by up to 20 mm. This yields a highly flexible 60-80 mm usable window, letting you fine-tune the retract end position during commissioning without adding bulky external stops. The extruded aluminum barrel features dual sensor grooves and, because this is the -S variant, includes a magnet for position detection.
Falling into the 32 mm bore class, it delivers 402 N of push force at 0.5 MPa and 563 N at 0.7 MPa. The piston rod is crafted from SUS420J2 stainless steel for enhanced corrosion resistance, and the PT tapered port threads ensure a tight, reliable pneumatic hook-up. Speeds of 30-800 mm/s are supported, while the rear adjuster acts purely as a mechanical stop to set the travel end—it is not a lock and will not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 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 SAIJ32AX80-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 SAIJ32AX80-20S Is Used
Variable End-Stop Tuning
Dial in the exact retract position within a 60-80 mm window during machine commissioning to perfect end-of-stroke timing without swapping hardware.
Product Changeover
Quickly adapt the cylinder's effective stroke on packaging lines when handling different carton sizes, using the rear screw to set new dimensions.
Sensor Position Calibration
Leverage the integrated magnet with CMSE reed or DMSE solid-state switches while making fine travel adjustments to synchronize automated sequences.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX80-20S the Right Cylinder?
Choose this 32 mm bore when your application requires roughly 402 N of push force at 0.5 MPa; if you need less force, stepping down to a 25 mm bore is an option, or step up to a 40 mm bore (628 N) for heavier demands. The adjustable stroke is ideal for machine setups requiring variable end stops or product-size changeovers, offering distinct advantages over a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, you would need to explore a SAIL (air-released lock) or BSAI (clamp-lock) cylinder, as the SAIJ adjuster only halts travel. Because the stroke is 80 mm, side-load concerns are minimal, but always ensure the rod thread (M10x1.25) matches your mounting requirements. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
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 SAIJ32AX80-20S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If you increase the pressure to 0.7 MPa, the push force rises to 563 N.
The rear adjuster screw acts as a mechanical stop that allows you to shorten the nominal 80 mm stroke by up to 20 mm. This creates a usable travel window of 60-80 mm, which is set mechanically during setup and is not a pneumatic lock.
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