Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-75 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 SAIJ32BX225-75
The AirTAC SAIJ32X225-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 150 to 225 mm, allowing you to dial back the 225 mm nominal stroke by up to 75 mm during commissioning. Delivering 402 N of push thrust at 0.5 MPa, it suits lighter-duty positioning tasks.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel incorporates sensor grooves on both sides, ready to accept CMSE reed or DMSE electronic sensors if a magnet is specified later. It supports a speed range of 30-800 mm/s.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-75 |
|---|---|
| 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 SAIJ32BX225-75
| 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 SAIJ32BX225-75 Is Used
Machine Changeover
Dial in the 150-225 mm travel window during product size changes to set new end positions rapidly without mechanical rebuilds.
Variable End Stops
Use the 75 mm rear screw to adjust the retract position on the fly for sorting or diverting items of varying lengths.
Commissioning Tuning
Fine-tune the final retract position during machine setup to perfect alignment without fabricating custom external spacers.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-75 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa (or 563 N at 0.7 MPa). If your process needs higher force, stepping up to the 40 mm bore yields 628 N at 0.5 MPa. The 75 mm adjustment range is ideal for product changeovers, letting you fine-tune end positions without adding external stops or swapping the cylinder.
For load-holding without live air pressure, note that this SAIJ adjuster acts only as a travel stop, not a lock; you would need an SAIL or BSAI series cylinder instead. Mounting options include the reduced SAIJ set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. The 12 mm rod and M10x1.25 thread handle moderate side loads, but long unsupported strokes still require an external guide.
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 SAIJ32BX225-75 FAQ
At 0.5 MPa it provides 402 N push and 345 N pull force. At 0.7 MPa it provides 563 N push. The operational speed range for this 32 mm bore is 30-800 mm/s.
The rear adjuster screw lets you shorten the 225 mm nominal stroke by up to 75 mm, giving a usable travel window of 150 to 225 mm. It acts as a mechanical stop to tune the end position and is not a lock to hold loads without air pressure.
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