Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-30 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 SAIJ32AX450-30
The AirTAC SAIJ32X450-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 450 mm travel by up to 30 mm for a usable window of 420-450 mm. It delivers 402 N of push force at 0.5 MPa and features a SUS420J2 stainless steel rod for enhanced corrosion resistance compared to standard carbon steel.
This model uses PT tapered port threads (G1/8) and lacks a standard piston magnet, meaning position sensing via CMSE or DMSE switches is not supported without modification. The rear adjuster acts strictly as a travel stop to fine-tune end positions during setup, not as a lock to hold loads without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-30 |
|---|---|
| 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 SAIJ32AX450-30
| 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 SAIJ32AX450-30 Is Used
Product Changeovers
Dial in the exact 420-450 mm end-stop during format size changes on a packaging line without adding external mechanical stops.
Machine Setup
Fine-tune the retract position at commissioning to perfectly align tooling, absorbing minor mechanical tolerances.
Variable End Stops
Adjust the stroke dynamically for sorting diverter arms that handle packages of slightly varying lengths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-30 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning without swapping cylinders; if your application requires less force, stepping down is not an option in this series, but stepping up to a 40 mm bore yields 628 N at 0.5 MPa. The adjustable stroke is ideal for machine changeovers where product sizes vary slightly, replacing the need for fixed-stroke SAI cylinders and external stops.
Because this cylinder features a 450 mm stroke, the 12 mm rod requires external guiding to prevent excessive side-loading and premature seal wear. For load-holding without continuous air pressure, this standard SAIJ is insufficient; consider an AirTAC SAIL or BSAI cylinder instead. Ensure your ISO 15552 replacement matches the 32 mm bore, 450 mm stroke, 30 mm adjuster, PT port, and non-magnet configuration.
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 SAIJ32AX450-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum push force reaches 724 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 450 mm down to 420 mm. This creates a 420-450 mm usable window for fine-tuning the end position without replacing the cylinder.
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