Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 240mm 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
- Stroke240 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-30S
The AirTAC SAIJ32X240-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 210 to 240 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it uses a 12 mm SUS304 stainless steel rod with an M10x1.25 thread to handle lateral loads effectively. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
Equipped with a magnet for position detection, this unit integrates seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors. It features PT tapered port threading (G1/8) and adjustable air cushions at both ends to decelerate the piston smoothly. The rear stopper allows precise end-position tuning during commissioning without swapping the cylinder, though it acts only as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 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 SAIJ32BX240-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | 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 SAIJ32BX240-30S Is Used
Machine Changeover
Dial in the 210-240 mm travel window during product size transitions to set new end positions rapidly without physically swapping cylinders.
End-Position Tuning
Fine-tune the retract stop at commissioning to absorb mechanical tolerances, ensuring precise physical placement without adding external stops.
Variable Diverter Stops
Adjust the stroke on the fly for conveyor sorting arms that need to accommodate different package sizes or diverting distances.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-30S the Right Cylinder?
Selecting this 32 mm bore cylinder makes sense when a machine setup requires variable end stops or product-changeover flexibility, delivering 402 N push force at 0.5 MPa. If an application demands greater thrust, stepping up to the 40 mm bore yields 628 N, whereas dropping to a smaller bore compromises the 12 mm rod rigidity. For fixed-travel needs without commissioning adjustments, the standard SAI cylinder is a simpler alternative.
As an ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders without relying on tie-rod construction. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Because the total stroke is 240 mm, ensure external guides support any long unsupported loads to prevent side-load damage. For load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ32BX240-30S FAQ
The rear adjuster screw allows you to shorten the nominal 240 mm stroke by up to 30 mm, creating a 210 to 240 mm usable travel window. It acts as a mechanical stop to fine-tune the end position without changing the cylinder itself.
At 0.5 MPa operating pressure, it provides 402 N of push force and 345 N of pull force. The maximum thrust is 82 kgf at 1.0 MPa.
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