Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 450mm 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
- Stroke450 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-20
The AirTAC SAIJ32X450-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 450mm stroke with a usable travel window of 430-450mm, allowing you to dial back the retract end by up to 20mm during commissioning. Delivering 402N of push force at 0.5MPa, it uses a PT G1/8 port and a 12mm rod.
This variant features a SUS304 stainless steel rod for corrosion resistance and lacks a standard magnet. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts purely as a travel stop, meaning it cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 450 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 SAIJ32BX450-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×450 | 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 SAIJ32BX450-20 Is Used
Machine Changeover
Dial in the exact 430-450mm retract position during product size changes without swapping out the entire cylinder or adding external stopper blocks.
End-Position Tuning
Fine-tune the end-of-stroke position at commissioning to absorb mechanical tolerances, ensuring precise positioning of the 12mm rod.
Sorting Diverter
Adjust the retract stroke by up to 20mm to perfectly time the diverter arm clearance on a packaging conveyor line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX450-20 the Right Cylinder?
Choose this 32mm bore when you need precise retract positioning without adding external stops, delivering 345N of pull force at 0.5MPa. If your application requires higher thrust, stepping up to the 40mm bore yields 528N of pull force. Conversely, if you need less force, the 32mm is the smallest standard ISO 15552 option available. The 20mm adjustment window is ideal for product changeovers where the exact end position varies slightly.
Because the 450mm stroke is relatively long for a 12mm rod, you should use an external guide to prevent excessive side-load wear. For load-holding without continuous air pressure, this cylinder is insufficient; consider the SAIL or BSAI series instead. To match this ISO 15552 footprint, ensure your mounting interface uses a PT G1/8 port and the correct mounting accessories.
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 SAIJ32BX450-20 FAQ
The rear adjuster allows you to shorten the effective stroke by up to 20mm, providing a usable travel window of 430-450mm. It acts as a mechanical stop to fine-tune the end position and does not lock the load without live air pressure.
At 0.5MPa operating pressure, the SAIJ32X450-20 provides 402N of push force and 345N of pull force. The maximum thrust is 82kgf at 1.0MPa.
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