Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 120mm 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
- Stroke120 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-30S
The AirTAC SAIJ32X120-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 120 mm nominal stroke by up to 30 mm for a usable travel window of 90-120 mm. It delivers 402 N of push force at 0.5 MPa and features a SUS304 stainless steel rod for superior corrosion resistance.
This variant includes a magnet for use with AirTAC CMSE reed and DMSE electronic sensors, utilizing PT tapered port threading. The rear adjuster acts purely as a mechanical stop to fine-tune the retract end position without adding external stops, while the shared aluminum profile barrel provides dual-side sensor grooves for flexible mounting.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 120 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 SAIJ32BX120-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×120 | 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 SAIJ32BX120-30S Is Used
Machine Changeover
Dial in the exact retract position from 90 to 120 mm during product size changes without physically swapping the cylinder or adding external stopper blocks.
Assembly Positioning
Fine-tune the end stop on the fly to perfectly seat components, leveraging the SUS304 rod for corrosion resistance in varied manufacturing environments.
Test Fixture Setup
Use the 30 mm adjustment range to set precise travel limits for repetitive testing strokes, relying on the DMSE electronic sensors for exact positional feedback.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-30S the Right Cylinder?
Choose this 32 mm bore model when your application requires 402 N of push force at 0.5 MPa, but you need leeway in the end-of-stroke positioning during commissioning or product changeovers. If your setup demands higher force, stepping up to the 40 mm bore yields 628 N at 0.5 MPa.
Because this is an adjustable-stroke cylinder rather than a fixed SAI model, you can trim the travel down to 90 mm without swapping the physical actuator. Remember that the rear adjuster is a travel stop, not a locking device; the cylinder will not hold a load without live air pressure. For position holding, consider an external rod lock or the AirTAC SAIL series. As a direct ISO 15552 replacement, match the 32 mm bore, 120 mm stroke, PT G1/8 port, and -S magnet requirement.
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 SAIJ32BX120-30S FAQ
At an operating pressure of 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the 120 mm nominal stroke by up to 30 mm, creating a usable travel window of 90-120 mm. This stopper only sets the end position; it does not lock or hold the load without continuous air pressure.
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