Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 140mm 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
- Stroke140 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30
The AirTAC SAIJ32X140-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 110 to 140 mm usable travel window. Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, it is built for light-duty positioning. The extruded aluminum barrel includes sensor grooves on both sides for straightforward detection integration.
This specific SKU uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The rear adjustment screw acts as a mechanical stop to fine-tune the retract end position during commissioning without adding external stops. It is not a locking device; the cylinder relies on live air to hold a load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 140 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 SAIJ32BX140-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×140 | 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 SAIJ32BX140-30 Is Used
Machine Changeover
Dial in the 110-140 mm travel window during product size transitions to set new retract endpoints without swapping the cylinder.
End-Stop Tuning
Fine-tune the final retract position at machine commissioning to clear mechanical interference using the built-in rear stopper.
Light Diverter Arm
Drive a small conveyor sorting flap with 402 N of push force, adjusting the travel limit to accommodate varying package depths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX140-30 the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when an application requires precise end-position tuning at commissioning or during product changeovers, stepping down from a 40 mm bore that yields 628 N of push force at 0.5 MPa if your load is lighter. The 12 mm rod and M10x1.25 thread provide a compact interface, but for this 140 mm stroke, ensure external guides are used if side loads are present. To match this ISO 15552 interchangeable replacement, specify a 32 mm bore, 140 mm stroke, 30 mm adjustment, PT ports, SUS304 rod, and no magnet.
If load holding without live air pressure is required, the rear adjuster will not function as a brake; consider the SAIL pneumatic lock series or an external rod lock instead. Available mountings for this profile cylinder include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32BX140-30 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 can deliver up to 82 kgf.
The rear adjuster screw lets you shorten the nominal 140 mm stroke by up to 30 mm, creating a usable travel window of 110 to 140 mm. It functions as a mechanical stop for end-position tuning and does not lock the load without live air.
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