Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50S 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 SAIJ32AX475-50S
The AirTAC SAIJ32X475-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 425 to 475 mm, enabling precise end-position tuning during commissioning without swapping out the unit. Delivering 402 N of push force at 0.5 MPa, it handles lighter loads effectively while featuring a SUS420J2 stainless steel rod for corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides.
Because the stroke extends to 475 mm on a 12 mm rod, an external guide is recommended to prevent excessive side-loading. This model includes a magnet for position sensing and uses PT tapered ports. The rear adjuster acts purely as a mechanical stop and does not hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50S |
|---|---|
| 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 SAIJ32AX475-50S
| 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 SAIJ32AX475-50S Is Used
Machine Changeover
Dial in the 425-475 mm travel window during product size changes to set new end positions rapidly without mechanical rework.
Assembly Calibration
Fine-tune the retract stop during commissioning to perfect the mating distance of delicate components on the line.
Variable End Stops
Adjust the stroke on the fly for packaging lines that handle varying package lengths within the 50 mm adjustment range.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX475-50S the Right Cylinder?
Choose this 32 mm bore unit when an application requires exact end-stop calibration over a 425-475 mm range, avoiding the need for fixed external stops. If your setup needs greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The rear screw allows quick product changeovers on a line, but remember it is a stop, not a lock. To match this ISO 15552 replacement exactly, verify the 475 mm stroke, 50 mm adjustment, PT port thread, and the -S magnet for CMSE or DMSE sensors.
Given the 475 mm stroke, the 12 mm rod requires external support to manage side loads and prevent binding over long travels.
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 SAIJ32AX475-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
The rear adjuster screw lets you shorten the 475 mm nominal stroke by up to 50 mm, creating a usable travel window of 425 to 475 mm. This mechanical stop sets the end position but does not lock or hold the load without continuous air pressure.
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