Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-100S 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 SAIJ32BX120-100S
The AirTAC SAIJ32X120-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 120 mm travel by up to 100 mm. This creates a wide usable stroke window of 20 to 120 mm, providing exceptional flexibility to fine-tune end positions at commissioning without swapping out the cylinder or adding external stops. It delivers 402 N of push thrust at 0.5 MPa, making it well-suited for lighter-duty positioning tasks.
This variant is equipped with a SUS304 stainless steel rod (option B) for enhanced corrosion resistance and includes a magnet (-S) for position sensing. The extruded aluminum barrel integrates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic solid-state switches. It features a G1/8 port, M10x1.25 rod thread, and utilizes the standard SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting the FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-100S |
|---|---|
| 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 SAIJ32BX120-100S
| 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 SAIJ32BX120-100S Is Used
Machine Changeover
Dial in the exact end-stop from 20 to 120 mm during product size transitions without physically replacing the cylinder or adding external stopper blocks.
Sensor Setup
Leverage the integrated -S magnet and dual-side sensor grooves to easily mount CMSE or DMSE switches for precise position feedback.
Corrosive Environments
Rely on the SUS304 stainless steel rod for light-duty positioning tasks in washdown or chemically exposed manufacturing areas.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX120-100S the Right Cylinder?
Choose this 32 mm bore cylinder when your application requires a highly variable end-stop within a compact footprint, delivering 402 N push and 345 N pull at 0.5 MPa. If your process needs slightly more force, stepping up to the 40 mm bore yields 628 N push at the same pressure. The 100 mm adjustment range is ideal for machines handling frequent product changeovers, allowing you to reconfigure the travel window quickly. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure. For true load-holding, consider the SAIL or BSAI series, or use an external rod lock.
Because this is an ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders. To match this exact configuration, specify a 32 mm bore, 120 mm nominal stroke, 100 mm adjustment range, PT tapered port threads, SUS304 (B) rod material, and the -S magnet option. For any stroke of 300 mm or more on larger cylinders, external guides are recommended to manage side loads, though this 120 mm unit handles its M10x1.25 rod thread well within standard loads.
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 SAIJ32BX120-100S FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push thrust and 345 N of pull thrust. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjusting screw allows you to shorten the effective travel by up to 100 mm from the 120 mm nominal stroke. This creates a usable stroke window of 20 to 120 mm, enabling fine end-position tuning without changing the cylinder.
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