Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 325mm 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
- Stroke325 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-100
The AirTAC SAIJ32X325-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 325 mm nominal stroke that can be dialed back by up to 100 mm, creating a usable travel window of 225-325 mm for precise end-position tuning during commissioning. In the 32 mm bore class, it generates 402 N of push force and 345 N of pull force at 0.5 MPa.
This variant uses a SUS420J2 stainless steel piston rod for enhanced corrosion resistance compared to standard carbon steel. The barrel is an extruded aluminum profile with sensor grooves on both sides, and it omits the FB, CA, CB, and CR mounting options, utilizing a reduced set of Basic, FA, LB, TC, FTC, TCM1, and TCM2 interfaces.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 325 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 SAIJ32AX325-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×325 | 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 SAIJ32AX325-100 Is Used
Machine Setup Commissioning
Dial in the exact retract position within the 225-325 mm window during initial machine build, allowing on-the-fly corrections without machining external stop blocks.
Product Size Changeover
Quickly adapt the end-of-stroke position on packaging lines when switching between different product sizes, minimizing downtime and maximizing line flexibility.
Variable End-Stop Positioning
Provide a mechanical stop for precise lower-end positioning in light-duty assembly tasks, relying on the 402 N push force to drive the process.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-100 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires variable end stops or fine-tuning at machine setup without swapping out the entire actuator. If your process demands less force, stepping down is not an option in the SAIJ range, but if you need higher thrust, the 40 mm bore provides 628 N of push force at 0.5 MPa. Because the 325 mm stroke is relatively long for the 12 mm rod diameter, an external guide is recommended to prevent excessive side-loading and premature seal wear.
The rear adjuster acts purely as a travel stop to set the retract position and does not hold the load without live air pressure. For load-holding applications without continuous air supply, consider the SAIL or BSAI series instead. When matching this for an ISO 15552 replacement, verify the 325 mm stroke, 100 mm adjustment range, PT tapered port threads, and the absence of a magnet (-S).
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 SAIJ32AX325-100 FAQ
At an operating pressure of 0.5 MPa, the 32 mm bore generates 402 N of push force and 345 N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 80 kgf.
The SAIJ32X325-100 features a rear adjusting screw that allows you to shorten the effective stroke by up to 100 mm. This creates an adjustable travel window from 225 mm to 325 mm, letting you fine-tune the end position at commissioning without replacing the cylinder.
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