Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-40S
The AirTAC SAIJ32X350-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 350 mm stroke that can be fine-tuned backward by up to 40 mm, creating a precise 310-350 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it integrates a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and features a built-in magnet for CMSE reed and DMSE electronic sensors.
This adjustable design allows operators to set exact end positions during commissioning without adding external stops. The extruded aluminum barrel includes sensor grooves on both sides, and mounting options utilize the standard SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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 SAIJ32AX350-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SAIJ32AX350-40S Is Used
Machine Changeover
Dial in the 310-350 mm travel window during product size changes without swapping the cylinder or repositioning hard stops.
End-Position Tuning
Fine-tune the retract end position at commissioning to perfect part ejection or clamping depth on precision tooling.
Variable Stroke Diverter
Adjust the stroke length on a conveyor sorting arm to accommodate different package sizes on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-40S the Right Cylinder?
Choose this 32 mm bore when an application requires 402 N push force at 0.5 MPa but needs flexibility in the final end-of-stroke position. If your setup demands higher thrust, stepping up to the 40 mm bore yields 628 N at the same pressure. The rear adjuster acts strictly as a travel stop for deceleration and positioning; it does not hold the load without live air. For load-holding requirements without continuous pneumatic pressure, consider an external rod lock or the AirTAC SAIL series.
Because this model features a 350 mm stroke, the 12 mm rod and M10x1.25 rod thread require careful alignment. Long unsupported strokes increase side-load risks, so an external guide rail is recommended to prevent premature seal wear. Ensure your setup matches the PT tapered port thread and the -S magnet configuration for proper CMSE / DMSE sensor integration.
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 SAIJ32AX350-40S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjusting screw acts as a stopper that lets you shorten the effective stroke by up to 40 mm. This creates a usable travel window of 310-350 mm, allowing you to trim the end position without replacing the cylinder.
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