Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-50S 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 SAIJ32AX175-50S
The AirTAC SAIJ32X175-50-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 175 mm nominal stroke that can be dialed back by up to 50 mm, creating a precise 125-175 mm usable travel window for product changeovers. In the 32 mm bore class, it generates 563 N of push force and 345 N of pull force at 0.5 MPa, matching standard SAI output while adding external tuning flexibility.
This configuration uses a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a pre-installed magnet (-S) for electronic DMSE or reed CMSE position sensing. The extruded aluminum barrel incorporates sensor grooves on three sides, and fluid is supplied through PT tapered G1/8 ports. The variable air cushions at both ends provide end-of-stroke deceleration, while the rear stopper handles the final position tuning.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-50S |
|---|---|
| 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 SAIJ32AX175-50S
| 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 SAIJ32AX175-50S Is Used
Product Changeover
Dial in the 125-175 mm travel window during format changes on packaging lines without replacing the cylinder or adding external shims.
Machine Setup
Fine-tune the retract end-position at commissioning to perfect seating pressure against varying workpiece tolerances.
Variable End Stops
Adjust the stroke dynamically for multi-model assembly operations where the exact extend distance changes per part.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX175-50S the Right Cylinder?
Choose this 32 mm bore adjustable cylinder when your machine setup requires frequent end-position tweaking without swapping out physical components; the rear screw stopper trims travel on the fly, unlike a fixed-stroke SAI cylinder. If your application demands higher clamping power, stepping up to the 40 mm bore yields 879 N of push force at 0.5 MPa. Conversely, lighter duties can drop to a smaller bore to save space. Remember that the rear adjuster acts only as a travel stop and the air cushions provide deceleration; neither holds the load without live air pressure. For true fail-safe load holding, select the SAIL (air-released lock) or BSAI (clamp-lock) series, or use an external pilot-operated check valve. Because the 175 mm stroke is under the 300 mm threshold, side-load risks are moderate, but the 12 mm rod and M10x1.25 thread still require alignment to prevent premature seal wear. For an ISO 15552 replacement match, specify bore 32, stroke 175, adjustment 50, PT G1/8 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and a magnet for -S sensing.
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 SAIJ32AX175-50S FAQ
At 0.7 MPa it provides 563 N of push force and 483 N of pull force. At 0.5 MPa, it yields 402 N push and 345 N pull. The 32 mm bore operates at speeds between 30 and 800 mm/s.
The rear adjuster screw lets you shorten the 175 mm nominal stroke by up to 50 mm, giving a usable travel range of 125 to 175 mm. This allows you to set the exact end-stop during commissioning without changing the cylinder itself.
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