Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30S 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 SAIJ32BX325-30S
The AirTAC SAIJ32X325-30-S is a double-acting 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 30 mm, creating a precise 295-325 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod and includes a magnet for position sensing.
This model uses PT tapered ports and operates at speeds of 30-800 mm/s. The rear adjuster acts purely as a mechanical stop to set the end position and relies on the integrated air cushion for deceleration; it does not lock the load without live air pressure. For load-holding requirements without continuous air, consider an external pilot-operated check valve or the related SAIL lock cylinder.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30S |
|---|---|
| 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 SAIJ32BX325-30S
| 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 SAIJ32BX325-30S Is Used
Machine Changeover
Dial in the 295-325 mm stroke window during product size changes without physically swapping the cylinder or adding external shims.
End-Stop Tuning
Fine-tune the retract position at commissioning using the rear screw, allowing precise alignment of tooling without replacing the whole actuator.
Variable End Positioning
Adjust the travel end-stop on the fly for conveyor sorting arms that need slightly different retract distances based on package dimensions.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX325-30S the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with the flexibility to dial in the exact end-of-stroke position during machine commissioning or product changeover. If your application requires less force, dropping down means losing too much thrust, but stepping up to a 40 mm bore yields 628 N. The adjustable rear stopper prevents the need to swap cylinders or bolt on external stops when tuning the 295-325 mm travel distance.
Because this cylinder has a 325 mm stroke, the 12 mm diameter rod and M10x1.25 thread can experience side loads if the payload is unsupported; always guide the load externally to prevent binding. This SKU is dimensionally interchangeable per ISO 15552 and includes the -S magnet for use with AirTAC CMSE reed and DMSE electronic sensors. It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, 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 SAIJ32BX325-30S 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 lets you shorten the effective travel by up to 30 mm from the 325 mm nominal stroke, providing a usable 295-325 mm window. It functions as a mechanical stop and does not hold the load without live air pressure.
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