Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 175mm 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
- Stroke175 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-75
The AirTAC SAIJ32X175-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 175 mm nominal stroke by up to 75 mm. This yields a highly flexible 100-175 mm usable travel window, perfect for fine-tuning end positions during commissioning without swapping out hardware. In the compact 32 mm bore class, it delivers 402 N of push force at 0.5 MPa and features a PT tapered port thread.
This variant utilizes a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. Remember that the rear adjuster functions strictly as a travel stop to set deceleration, not as a lock; the cylinder cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 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 SAIJ32AX175-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×175 | 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 SAIJ32AX175-75 Is Used
Machine Changeover
Dial in the 100-175 mm travel window instantly on the rear stopper when switching between product sizes on a packaging line.
End-Position Tuning
Fine-tune the final retract position during commissioning without machining external stop blocks or changing the cylinder.
Variable Diverter Stroke
Adjust the actuator reach on the fly to accommodate different package widths moving down a conveyor.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-75 the Right Cylinder?
Selecting this 32 mm bore cylinder makes sense when your application requires 402 N of push force at 0.5 MPa but demands variable end-stops for product changeovers. If you need significantly less force, stepping down is not an option below 32 mm in this series, but stepping up to a 40 mm bore provides 628 N of push force. Conversely, if you require fixed travel without the need for commissioning adjustments, a standard SAI cylinder would suffice.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 175 mm stroke, 75 mm adjustment range, PT port thread, and your desired mounting set (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that SAIJ omits the FB, CA, CB, and CR mounts. Because the 175 mm stroke is relatively long for this small bore, the 12 mm rod should be paired with an external guide to prevent excessive side-loading and premature seal wear.
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 SAIJ32AX175-75 FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the 175 mm nominal stroke by up to 75 mm, providing a usable travel window of 100 to 175 mm. It sets the end position and works with the air cushion for deceleration, but it does not lock the load without continuous air pressure.
At 0.5 MPa operating pressure, the SAIJ32X175-75 provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
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