Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 900mm 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
- Stroke900 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40
The AirTAC SAIJ32X900-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 40 mm, creating an 860-900 mm usable window for precise end-position tuning. Driven by filtered air through PT tapered G1/8 ports, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The extruded aluminum barrel integrates sensor grooves on both sides for straightforward position feedback.
This unit is configured with a SUS420J2 stainless steel rod for enhanced corrosion resistance and operates at speeds of 30-800 mm/s. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position without swapping cylinders, while the variable air cushions at both ends manage deceleration. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 900 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 SAIJ32AX900-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×900 | 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 SAIJ32AX900-40 Is Used
End-Position Tuning
Dial in the exact retract distance within the 860-900 mm window during machine commissioning to perfect positioning without machining new hard stops.
Product Changeover
Quickly adjust the travel end-stop by up to 40 mm to accommodate different package sizes on a moving production line.
Variable End Stops
Use the rear mechanical stopper to set precise retract limits for automated assembly processes requiring flexible stroke lengths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX900-40 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa, stepping down from a 40 mm bore that provides 628 N if you need a lighter footprint, or up if you need more power. An adjustable stroke is selected over a fixed SAI cylinder when you need variable end-stops for product changeovers or commissioning fine-tuning without adding external stops. Since the SAIJ rear adjuster only restricts travel and the air cushions manage deceleration, neither will hold a load without live air; for true load-holding, consider the SAIL or BSAI series. When replacing an ISO 15552 cylinder, match the 32 mm bore, 900 mm stroke, 40 mm adjustment, PT ports, and mounting set. Because this stroke is 900 mm, an external guide is strongly recommended to prevent excessive side-loading on the piston rod.
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 SAIJ32AX900-40 FAQ
At an operating pressure of 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum force at 1.0 MPa is 82 kgf.
The rear adjusting screw acts as a mechanical stop that lets you shorten the nominal 900 mm stroke by up to 40 mm, giving an effective travel range of 860-900 mm. It only sets the end position and does not lock the load without live air pressure.
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