Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 450mm 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
- Stroke450 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-75S
The AirTAC SAIJ32X450-75-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear mechanical stroke adjuster. It provides a 375-450mm usable travel window, letting you fine-tune the retract end-position by up to 75mm without adding external stops. In the 32mm bore class, it generates 402N of push force at 0.5MPa and uses a G1/8 port.
This variant includes a magnet for CMSE and DMSE sensors and uses a SUS420J2 stainless steel rod for improved corrosion resistance. The extruded aluminum barrel integrates sensor grooves on both sides. Remember that the rear adjuster acts only as a travel stop; it does not lock the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 450 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 SAIJ32AX450-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×450 | 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 SAIJ32AX450-75S Is Used
Machine Changeover
Dial in the 375-450mm travel window during product size changes without swapping the cylinder or re-engineering fixed stops.
End-Position Tuning
Fine-tune the retract stroke exactly during commissioning to absorb mechanical tolerances and achieve precise end-stop locations.
Variable End Stops
Adjust the travel distance on the fly for automated lines handling varying package sizes or processing depths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX450-75S the Right Cylinder?
Choose this 32mm bore when you need precise end-position tuning during machine commissioning or product changeovers, stepping up from a smaller unit if 402N at 0.5MPa is required. The -S magnet enables position feedback via CMSE reed or DMSE electronic switches. For load-holding without continuous air pressure, select a SAIL or BSAI cylinder instead. To match this ISO 15552 footprint, specify the 450mm stroke, 75mm adjustment, PT tapered ports, and a mounting set limited to Basic, FA, LB, TC, FTC, TCM1, or TCM2.
Because the 450mm stroke leaves the 12mm rod and M10x1.25 thread unsupported for a long distance, you must use an external guide to prevent side-load damage.
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 SAIJ32AX450-75S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 75mm, creating a 375-450mm usable travel window. It acts as a mechanical stop to set the end position and does not lock the load without live air.
At 0.5MPa it provides 402N of push force and 345N of pull force. At 0.7MPa the push force increases to 563N.
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