Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-50 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 SAIJ32AX450-50
The AirTAC SAIJ32X450-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. With a 450 mm nominal stroke and a 50 mm adjustment range, it provides a usable travel window of 400 to 450 mm, allowing precise end-position tuning during commissioning without external stops.
Equipped with a 12 mm SUS420J2 stainless steel rod, this 32 mm bore model delivers 402 N push and 345 N pull thrust at 0.5 MPa. It includes variable air cushions at both ends and dual sensor grooves for CMSE or DMSE switches, though this specific configuration omits the internal magnet.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-50 |
|---|---|
| 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 SAIJ32AX450-50
| 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 SAIJ32AX450-50 Is Used
Machine Setup Tuning
Dial in the exact 400 to 450 mm end position during initial machine commissioning without machining external stopper blocks.
Product Changeover
Quickly adapt the retract distance by up to 50 mm on automated lines handling slightly varying product sizes.
End-Stop Calibration
Use the rear adjuster screw to set precise retract stops, ensuring repeatable positioning for light-duty assembly tasks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-50 the Right Cylinder?
Choose this 32 mm bore cylinder when your application requires 345 N pull force at 0.5 MPa and a highly adjustable end-of-stroke position. If you need greater thrust, stepping up to the 40 mm bore yields 528 N pull at the same pressure, but the 32 mm bore offers a compact ISO 15552 footprint with a 30-800 mm/s speed range. The rear adjuster screw acts purely as a travel stop to fine-tune the 400-450 mm window; it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider an AirTAC SAIL or BSAI series cylinder.
Because this unit features a 450 mm stroke, the 12 mm rod may be subjected to side loads. An external guide rail is recommended to prevent rod binding and premature seal wear. The cylinder uses a PT tapered port thread (G1/8) and supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR 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 SAIJ32AX450-50 FAQ
At 0.5 MPa operating pressure, the 32 mm bore provides 402 N of push force and 345 N of pull force. The maximum thrust is 82 kgf at 1.0 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 450 mm nominal stroke by up to 50 mm. This creates a usable travel window of 400 to 450 mm, which is set during commissioning and does not lock the load without live air.
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