Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-75S 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 SAIJ32BX180-75S
The AirTAC SAIJ32X180-75-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. By dialing back the nominal 180 mm stroke by up to 75 mm, you gain a flexible 105-180 mm usable travel window for precise end-position tuning at commissioning. It delivers 402 N of push force at 0.5 MPa and operates at speeds of 30-800 mm/s.
This variant is equipped with a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel provides sensor grooves on both sides, and the PT tapered port threads ensure a robust, sealed connection.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-75S |
|---|---|
| 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 SAIJ32BX180-75S
| 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 SAIJ32BX180-75S Is Used
Machine Changeover
Dial in the exact retract position within the 105-180 mm window when switching product sizes on a packaging line, avoiding mechanical rebuilds.
Variable End-Stops
Set precise end-of-stroke limits for machining or clamping fixtures where the target position varies slightly per batch.
Corrosive Environments
Leverage the SUS304 stainless steel rod in washdown or high-humidity factory areas while maintaining ISO 15552 mounting interchangeability.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-75S the Right Cylinder?
Choose this 32 mm bore when your application requires a compact footprint but still needs up to 402 N of thrust at 0.5 MPa. If your setup demands higher force, stepping up to the 40 mm bore yields 628 N at the same pressure. The 75 mm adjustment range is ideal for product changeovers, letting you fine-tune the retract end-stop without swapping the cylinder or adding external stops.
Because the rear adjuster acts purely as a travel stop and the air cushions only decelerate the piston, this cylinder cannot hold a load without live air pressure. For fail-safe load holding, consider the SAIL or BSAI series. This model is dimensionally interchangeable per ISO 15552 and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32BX180-75S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 75 mm from the 180 mm nominal length, creating a 105-180 mm travel window. It acts as a physical stop to set the retract position and does not lock the load without live air pressure.
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 increases to 801 N.
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