Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 125mm 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
- Stroke125 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-30
The AirTAC SAIJ32X125-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 95-125 mm, allowing you to dial in the exact retract position without swapping hardware. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This unit is configured with a SUS304 stainless steel rod for corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and because it is an adjustable-stroke variant, the mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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 SAIJ32BX125-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×125 | 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 SAIJ32BX125-30 Is Used
Machine Changeovers
Dial in the 95-125 mm retract position during product size changes without machining new hard stops or replacing the cylinder.
End-Position Tuning
Fine-tune the final retract distance during commissioning to perfect part ejection or tool seating on automated machinery.
Adjustable End Stops
Replace fixed external stops with the built-in rear adjuster to cleanly set the travel limit on a 32 mm bore assembly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-30 the Right Cylinder?
Choose this 32 mm bore if your application requires around 402 N of thrust at 0.5 MPa; stepping down is not an option, but stepping up to a 40 mm bore yields 628 N if your load demands more force. The adjustable 95-125 mm travel window is perfect for machine changeovers where you need a variable end-stop rather than committing to a fixed-stroke SAI cylinder. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding, consider an SAIL or BSAI cylinder. To match this ISO 15552 replacement exactly, verify the 125 mm stroke, 30 mm adjustment, PT G1/8 port, and your preferred mounting style.
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 SAIJ32BX125-30 FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 82 kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 30 mm, creating a usable travel window of 95-125 mm from the 125 mm nominal stroke without replacing the cylinder.
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