Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 475mm 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
- Stroke475 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-75S
The AirTAC SAIJ32X475-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 400 to 475 mm, allowing you to dial back the nominal 475 mm stroke by up to 75 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant uses a SUS304 stainless steel rod for corrosion resistance and includes a magnet for CMSE and DMSE sensors. The extruded aluminum barrel carries sensor grooves on both sides. Remember the rear adjuster acts as a travel stop, not a lock; it cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 475 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 SAIJ32BX475-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×475 | 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 SAIJ32BX475-75S Is Used
Adjustable Machine Stops
Fine-tune the end position by up to 75 mm during product changeovers without adding external physical stops to the machine frame.
Variable Length Cutting
Set precise material cut lengths on the fly by adjusting the rear stopper, creating a 400 to 475 mm travel window for different part sizes.
Commissioning Calibration
Dial in the exact retract position during initial setup to perfect timing and avoid mechanical crashes, replacing fixed stroke SAI cylinders.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-75S the Right Cylinder?
Choose this 32 mm bore if your application requires 402 N push force at 0.5 MPa. If you need less force, a 25 mm bore might fit, but stepping up to a 40 mm bore yields 628 N. The adjustable stroke is ideal for machine setups requiring variable end stops without swapping cylinders.
This SKU features PT tapered ports and a -S magnet. Because the 475 mm stroke is long relative to the 12 mm rod diameter, an external guide rail is recommended to prevent excessive side-load wear. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For true load-holding without live air, consider SAIL or BSAI cylinders.
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 SAIJ32BX475-75S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 75 mm. This creates a usable travel window of 400 to 475 mm, allowing precise end-position tuning without changing the cylinder or adding external stops.
At 0.5 MPa operating pressure, the SAIJ32X475-75-S provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
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