Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30 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 SAIJ32BX325-30
The AirTAC SAIJ32X325-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel within a 295 to 325 mm window. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
Because the nominal stroke of 325 mm is relatively long for a 32 mm bore, the 12 mm rod diameter requires careful attention to side-loading; an external guide is recommended to prevent binding. The rear adjuster acts purely as a mechanical stop to set the retraction end position during commissioning. It does not lock or hold the load without live air pressure, so applications requiring true load-holding need an external rod lock or a related type like the SAIL or BSAI.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30 |
|---|---|
| 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 SAIJ32BX325-30
| 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 SAIJ32BX325-30 Is Used
Machine Changeovers
Dial in the 295 to 325 mm travel window during product size transitions without adding external stopper blocks to your frame.
End-Position Tuning
Fine-tune the retract stroke at commissioning to absorb mechanical tolerances and achieve precise end-of-stroke positioning.
Variable End Stops
Adjust the travel distance on the fly for conveyor diverters or indexing mechanisms that handle varying package sizes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30 the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI when your machine setup requires variable end-stops or product changeovers without physically swapping cylinders. If your application needs less force, stepping down is not an option below 32 mm, but stepping up to a 40 mm bore increases your 0.5 MPa push force to 628 N. When matching ISO 15552 replacements, confirm the 32 mm bore, 325 mm stroke, 30 mm adjustment, PT port thread, and the Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting set (omitting FB, CA, CB, and CR).
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 SAIJ32BX325-30 FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm, creating a usable travel window of 295 to 325 mm. It functions as a mechanical stop and works alongside the standard air cushions to decelerate the load, but it does not hold the load without live air pressure.
At 0.5 MPa, the SAIJ32X325-30 provides 402 N of push force and 345 N of pull force. It operates at a speed range of 30 to 800 mm/s and features a 12 mm diameter SUS304 stainless steel rod.
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