Airtac Adjustable Cylinder SAIJ32 SAIJ32BX105-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX105-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 105mm 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
- Stroke105 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX105-40S
The AirTAC SAIJ32X105-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 65 to 105 mm usable travel window. At 0.5 MPa it delivers 402 N of push force and 345 N of pull force, making it well-suited for lower-force positioning tasks. The barrel is extruded aluminum with sensor grooves on both sides, and this version includes a magnet for position detection.
This specific configuration uses a SUS304 stainless steel rod (code B) for corrosion resistance and features PT tapered ports. It carries the G1/8 port size, a 12 mm rod diameter with an M10x1.25 thread, and 27 mm of adjustable air cushioning at both ends. The rear adjuster acts purely as a travel stop for commissioning and product changeovers, meaning it cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX105-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX105-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 105 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 SAIJ32BX105-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×105 | 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 SAIJ32BX105-40S Is Used
Machine Changeover
Dial in the 65-105 mm travel window during product size changes to set new retract positions without physically swapping the cylinder.
End-Stop Tuning
Fine-tune the final resting position at commissioning using the rear screw, avoiding the need to bolt on external mechanical stops.
Corrosive Setup
Leverage the SUS304 stainless steel rod for light-duty testing or positioning tasks in environments where standard carbon steel rods would rust.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX105-40S the Right Cylinder?
Choose this 32 mm bore when an application requires exact end-position tuning within a 65-105 mm window without adding external stops or swapping cylinders. If your process needs less force, there is no smaller standard SAIJ bore, but stepping up to a 40 mm bore provides 628 N of push force at 0.5 MPa for heavier loads. Because the stroke is 105 mm, side-load risks are minimal, though long unsupported strokes still require an external guide. For load-holding without continuous air pressure, this plain SAIJ is insufficient; consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 105 mm stroke, 40 mm adjustment range, PT G1/8 ports, and the -S magnet requirement. SAIJ supports a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. The included magnet works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors.
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 SAIJ32BX105-40S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If operated at 0.7 MPa, the push force increases to 563 N.
The rear adjuster acts as a mechanical stop that lets you trim the effective travel back by up to 40 mm, creating a usable stroke window of 65 to 105 mm. It only sets the travel end and does not lock or hold the load without live air pressure.
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