Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-40 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 SAIJ32AX325-40
The AirTAC SAIJ32X325-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the end position during commissioning. Based on a 325 mm nominal stroke and a 40 mm adjustment code, it provides a usable travel window of 285-325 mm. This bore size delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it well-suited for lighter-duty positioning tasks.
This specific configuration features an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides, and with a PT tapered port thread, it integrates seamlessly into existing pneumatic setups. The rear screw acts purely as a travel stop for deceleration, meaning it will not hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-40 |
|---|---|
| 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 SAIJ32AX325-40
| 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 SAIJ32AX325-40 Is Used
Machine Changeovers
Dial in the 285-325 mm travel window during product size transitions without physically replacing the cylinder or adding external stopper blocks.
Conveyor Diverter Setup
Fine-tune the retract end position of a diverting arm to accommodate varying package lengths on a packaging line.
Light-Duty Positioning
Leverage the 402 N push force at 0.5 MPa for accurate parts placement, using the rear screw to trim the final approach distance.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX325-40 the Right Cylinder?
Choose this 32 mm bore when an application requires precise endpoint tuning without swapping cylinders; if you need greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The adjustable stroke is ideal for product-size changeovers on a line, whereas a fixed SAI cylinder is better for set-and-forget operations. Because this model lacks a magnet (-S), it cannot host CMSE or DMSE sensors without modification. To replace an ISO 15552 cylinder, match the 32 mm bore, 325 mm stroke, PT port, and mounting choice (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Given the 325 mm stroke, an external guide is recommended to prevent excessive rod side-loading.
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 SAIJ32AX325-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw allows you to shorten the effective travel from the 325 mm nominal stroke by up to 40 mm, creating a 285-325 mm usable window. This stopper only sets the travel end and does not lock the load without continuous air pressure.
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