Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 225mm 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
- Stroke225 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40
The AirTAC SAIJ32X225-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 185-225 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it is built with a 12 mm carbon steel rod and PT tapered ports. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This model utilizes a SUS304 stainless steel rod (option B) for enhanced corrosion resistance. The rear adjuster acts purely as a mechanical stop to dial in the end position during commissioning; it does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 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 SAIJ32BX225-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×225 | 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 SAIJ32BX225-40 Is Used
Machine Setup Tuning
Dial in the exact 185-225 mm end position during commissioning without adding external physical stops to the machine frame.
Product Size Changeover
Quickly retract the stroke by up to 40 mm to accommodate varying product lengths on a single production line.
Corrosion-Resistant Actuation
Leverage the SUS304 stainless steel rod for light-duty positioning tasks in environments requiring higher corrosion resistance.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa, or step up to the 40 mm bore if you need 628 N. The 40 mm adjustment range is selected over a fixed-stroke SAI when you need variable end-stops for product changeovers without swapping cylinders. To match this ISO 15552 replacement, specify: 32x225 stroke, 40 mm adjust, PT port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mountings, and no magnet.
Because the 225 mm stroke exceeds 300 mm? No, but for longer unsupported strokes, always use an external guide to prevent rod side-load wear. Note that the SAIJ mounting set omits FB, CA, CB, and CR brackets.
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 SAIJ32BX225-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum operating pressure is 1.0 MPa.
The rear adjuster screw allows you to shorten the nominal 225 mm stroke by up to 40 mm, creating a 185-225 mm travel window. It functions only as an end-position stop and does not lock or hold the load without continuous air pressure.
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