Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-50 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 SAIJ32BX475-50
The AirTAC SAIJ32X475-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 425 to 475 mm, allowing you to dial back the nominal 475 mm stroke by up to 50 mm during machine commissioning. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks.
This variant uses a SUS304 stainless steel rod for corrosion resistance and features PT tapered port threads (G1/8). The extruded aluminum barrel includes sensor grooves on both sides, though this unit is specified without a magnet. The rear adjuster acts purely as a travel stop to fine-tune the retract end position without needing external stops.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-50 |
|---|---|
| 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 SAIJ32BX475-50
| 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 SAIJ32BX475-50 Is Used
Machine Commissioning Tuning
Dial in the exact retract position within the 425-475 mm window during initial setup without adding external physical stops to the machine frame.
Product Size Changeover
Quickly adapt the end-stop for varying product lengths on a conveyor line by turning the rear adjuster screw up to 50 mm.
Light-Duty Positioning
Utilize the 402 N push force and SUS304 stainless steel rod for precise, corrosion-resistant component placement in standard ISO 15552 mounting setups.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX475-50 the Right Cylinder?
Choose this 32 mm bore when a compact ISO 15552 footprint is needed and 402 N of thrust at 0.5 MPa is sufficient. If your application requires greater force, stepping up to the 40 mm bore yields 628 N. The 50 mm adjustment range is ideal for product changeovers where exact end positions vary, saving the hassle of physically swapping a fixed-stroke SAI cylinder. To replace an ISO 15552 cylinder, match the 32 mm bore, 475 mm stroke, 50 mm adjustment, PT port thread, and standard mounting interface.
Because the stroke is 475 mm on a 12 mm rod, long unsupported travel increases the risk of deflection. An external guide is recommended to handle side loads. Remember that the rear adjuster is a stop, not a lock; the SAIJ will not hold a load without live air pressure, so consider an SAIL or BSAI cylinder if load-holding is required.
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 SAIJ32BX475-50 FAQ
The rear adjuster screw lets you shorten the effective travel from 475 mm down to a minimum of 425 mm, providing a 50 mm tuning window. It acts as a mechanical stop at the retract end and does not lock the load without air pressure.
At 0.5 MPa operating pressure, it provides 402 N of push force and 345 N of pull force. The standard speed range for this 32 mm bore is 30-800 mm/s, operating with a G1/8 PT tapered port.
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