Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-75S 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 SAIJ32AX225-75S
The AirTAC SAIJ32X225-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and provides a usable travel window of 150-225 mm by allowing you to trim the 225 mm nominal stroke back by up to 75 mm. This built-in adjustability enables precise end-position tuning at commissioning without swapping out the cylinder or adding external stops.
This unit includes a PT tapered port (G1/8), a 12 mm rod, and 27 mm air cushions at both ends. It uses a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and carries an -S magnet for position sensing. The extruded aluminum barrel includes sensor grooves on both sides, fully compatible with AirTAC CMSE reed and DMSE electronic solid-state switches.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-75S |
|---|---|
| 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 SAIJ32AX225-75S
| 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 SAIJ32AX225-75S Is Used
Machine Changeover
Dial in the exact retract end-stop from 150 to 225 mm during product size changes without replacing the cylinder or adding external shims.
End-Position Tuning
Fine-tune the final retract position at commissioning to compensate for mechanical wear or sensor drift in automated assembly lines.
Variable Stroke Diverter
Adjust the travel window on a sorting conveyor diverter to handle varying package lengths on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX225-75S the Right Cylinder?
Choose this 32 mm bore when you need 402N push force at 0.5 MPa with a wide 150-225 mm adjustable travel window for frequent product changeovers. If your application requires higher force, stepping up to the 40 mm bore yields 628N push force. The rear adjuster screw sets the retract end position, but it acts purely as a mechanical stop and does not hold the load without live air pressure. For true fail-safe load holding, select the SAIL or BSAI series instead.
As a dimensionally interchangeable ISO 15552 profile cylinder, this model replaces other standard brands using a 32 mm bore, 225 mm stroke, PT port, and a magnet. It supports the SAIJ mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2) but omits FB, CA, CB, and CR brackets. Since the stroke is 225 mm, ensure external guidance is used if the load imposes significant side loads on the 12 mm rod.
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 SAIJ32AX225-75S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 75 mm, providing a usable travel window of 150-225 mm. It acts as a mechanical stop to set the end position and does not lock or hold the load without continuous air pressure.
It delivers 402N of push force and 345N of pull force at 0.5 MPa. The -S option includes a magnet for use with AirTAC CMSE reed switches and DMSE electronic sensors mounted in the dual-side barrel grooves.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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