Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50 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 SAIJ32AX475-50
The AirTAC SAIJ32X475-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 425-475 mm usable travel window, allowing you to dial back the 475 mm nominal stroke by up to 50 mm during commissioning. It delivers 402 N of push force at 0.5 MPa, scaling to 724 N at 0.9 MPa, making it suited for lighter-duty positioning tasks.
This variant uses an SUS420J2 stainless steel rod for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts purely as a mechanical stop to set the end position and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50 |
|---|---|
| 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 SAIJ32AX475-50
| 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 SAIJ32AX475-50 Is Used
Machine Changeover
Fine-tune the 425-475 mm travel window on the fly to accommodate different product lengths without replacing the actuator.
Light-Duty Positioning
Provides 402 N of thrust at 0.5 MPa for pushing or lifting lighter components into exact alignment during assembly.
Variable End Stops
Use the rear adjuster screw to set precise retraction limits during commissioning, avoiding the need for external mechanical stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning without swapping cylinders or adding external stops; for higher force needs, stepping up to the 40 mm bore yields 628 N at 0.5 MPa. The adjustable stroke is ideal for machine setups requiring variable end stops during product changeovers. Because the 475 mm stroke is long relative to the 32 mm bore, an external guide is recommended to prevent excessive side-loading on the piston rod.
For an ISO 15552 replacement match, specify the 32 mm bore, 475 mm stroke, 50 mm adjustment, PT tapered port thread, and the required mounting style. Note that SAIJ supports a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. This model lacks a magnet, so it cannot host internal CMSE or DMSE sensors.
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 SAIJ32AX475-50 FAQ
At 0.5 MPa, it provides 402 N of push force and 345 N of pull force. At 0.9 MPa, the push force increases to 724 N.
The rear adjuster screw lets you shorten the 475 mm nominal stroke by up to 50 mm, creating a 425-475 mm travel window. It acts as a mechanical stop and does not lock the load without live air pressure.
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