Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-50S
The AirTAC SAIJ32X75-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 75 mm stroke that can be dialed back by up to 50 mm, yielding a 25-75 mm usable travel window for precise end-position tuning. In the 32 mm bore class, it generates 402 N of push force and 345 N of pull force at 0.5 MPa. The extruded aluminum barrel features sensor grooves on both sides, and this variant includes a magnet for position detection.
This model uses a SUS304 stainless steel piston rod for corrosion resistance and a PT tapered port thread. The rear adjuster acts as a mechanical stop to fine-tune the retract position during commissioning without adding external stops. It supports AirTAC CMSE reed and DMSE electronic sensors. The mounting interface accepts Basic, FA, LB, TC, FTC, TCM1, and TCM2 attachments, omitting FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 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 SAIJ32BX75-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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 SAIJ32BX75-50S Is Used
Machine Changeover
Dial in the 25-75 mm travel window during product size transitions without physically swapping the cylinder or adding external stopper blocks.
End-Position Tuning
Fine-tune the retract end-stop during initial commissioning to absorb mechanical tolerances and achieve exact sensor trigger points.
Corrosive Environments
Leverage the SUS304 stainless steel rod in washdown or chemical processing areas where standard carbon steel rods would degrade.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX75-50S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa. If you need higher thrust, stepping up to the 40 mm bore yields 628 N. The 50 mm adjustment range is ideal for machines requiring variable end-stops or frequent product-size changeovers, replacing the need to swap out a fixed-stroke SAI cylinder. The rear adjuster and variable air cushions only decelerate the load; they do not hold position without live air. For load-holding without pressure, consider an external rod lock or the SAIL series. As a dimensionally interchangeable ISO 15552 cylinder, ensure your setup matches the 32 mm bore, 75 mm stroke, 50 mm adjust, PT port, and -S magnet.
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 SAIJ32BX75-50S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It operates at speeds between 30 and 800 mm/s.
The rear adjusting screw acts as a mechanical stop that shortens the 75 mm nominal stroke by up to 50 mm, creating a 25-75 mm usable travel window. It sets the end position but does not lock the load without live air pressure.
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