Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 180mm 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
- Stroke180 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-75S
The AirTAC SAIJ32X180-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 180 mm stroke that can be dialed back by up to 75 mm, creating a precise 105-180 mm usable travel window for highly flexible positioning. Delivering 402 N of push force at 0.5 MPa, it handles lighter loads with accuracy. This variant includes a magnet for position sensing and uses a SUS420J2 stainless steel rod for enhanced corrosion resistance.
The rear stopper screw allows operators to fine-tune the retract end position during commissioning without adding external stops. Featuring a PT tapered G1/8 port and an extruded aluminum barrel with sensor grooves on both sides, it accommodates AirTAC CMSE reed and DMSE electronic solid-state switches. The mounting hardware utilizes the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 180 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 SAIJ32AX180-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×180 | 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 SAIJ32AX180-75S Is Used
Product Changeovers
Dial in the 105-180 mm travel window during format size changes on packaging lines without swapping out the entire actuator.
Machine Commissioning
Fine-tune the retract end-position precisely at setup to perfect alignment, avoiding the need to bolt on external mechanical stops.
Light Assembly Positioning
Leverage the 402 N push force and SUS420J2 rod to accurately position small components in varying batch runs.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-75S the Right Cylinder?
Select this 32 mm bore cylinder when an application demands variable end-stops between 105 and 180 mm, stepping up from smaller actuators if 345 N of pull force at 0.5 MPa is insufficient. The adjustable stroke is perfect for product-size changeovers on a line, whereas a fixed SAI cylinder requires physical swaps to alter travel. If your machine needs to hold a load without live air pressure, note that this rear adjuster acts only as a travel stop and not a lock; you should integrate an external pilot-operated check valve or select an AirTAC SAIL or BSAI locking cylinder instead.
For a seamless ISO 15552 replacement, verify the 32 mm bore, 180 mm nominal stroke, 75 mm adjustment range, PT G1/8 port, and the required mounting bracket. Because the 180 mm stroke is relatively long for a 32 mm bore, ensure adequate external guidance to prevent excessive side-loading on the 12 mm rod, and confirm the -S magnet is compatible with your 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 SAIJ32AX180-75S FAQ
It features a rear adjusting screw that acts as a mechanical stop, allowing you to shorten the effective stroke by up to 75 mm. This creates a usable travel window of 105 to 180 mm, which is ideal for fine-tuning end positions during commissioning.
At 0.5 MPa operating pressure, it provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, the push force reaches 801 N.
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Covers non-human-caused product damage.
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