Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-100 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 SAIJ32BX325-100
The AirTAC SAIJ32X325-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 325 mm stroke that can be fine-tuned down by up to 100 mm, creating a usable travel window of 225-325 mm. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa, operating efficiently at speeds between 30 and 800 mm/s.
This variant is equipped with a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. While the rear adjuster allows precise end-position tuning without external stops, it functions strictly as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-100 |
|---|---|
| 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 SAIJ32BX325-100
| 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 SAIJ32BX325-100 Is Used
Machine Changeovers
Quickly dial in the 225-325 mm retraction distance during product size changes without physically replacing the actuator or adding external stopper blocks.
Variable Diverter Stops
Adjust the end-stop on the fly for different package lengths on a sorting line, using the 100 mm trim range to accommodate various product dimensions.
End-Position Calibration
Fine-tune the exact endpoint during machine commissioning to perfect tooling alignment, relying on the SUS304 rod for durable, corrosion-resistant performance.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-100 the Right Cylinder?
Select this 32 mm bore adjustable cylinder when an application requires variable end-stops or frequent product changeovers, stepping down from a 40 mm bore (which provides 628 N push force at 0.5 MPa) if the lower force class is sufficient. The rear screw mechanism enables exact retraction tuning at commissioning without swapping out the cylinder. Because this model features a 325 mm stroke, an external guide is recommended to prevent excessive side-loading on the rod.
For ISO 15552 dimensional interchangeability, verify the 325 mm stroke, 100 mm adjustment range, PT port threads, and required mounting style. SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Note that this standard unit does not hold position without continuous air; for load-holding requirements, consider the SAIL or BSAI series instead.
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 SAIJ32BX325-100 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 its maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster acts as a stopper that can trim the effective stroke by up to 100 mm, providing a usable travel window of 225-325 mm from the nominal 325 mm stroke. It only sets the travel end and does not lock or hold the load without live air pressure.
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