Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50S
The AirTAC SAIJ32X115-50-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 115 mm stroke that can be fine-tuned down by up to 50 mm, giving you a precise 65-115 mm usable travel window during commissioning. Delivering 402 N of push force at 0.5 MPa, it fits lighter-duty positioning tasks perfectly.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and includes a built-in magnet for position sensing. You can mount CMSE reed or DMSE electronic switches directly into the sensor grooves on both sides of the extruded aluminum barrel. The rear screw acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 115 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 SAIJ32BX115-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×115 | 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 SAIJ32BX115-50S Is Used
Product Changeovers
Dial in the 65-115 mm travel window rapidly during format changes on packaging lines without replacing the cylinder.
Sensor Mapping
Leverage the built-in magnet with DMSE electronic sensors to confirm exact end positions after each adjustment.
Corrosive Environments
Utilize the SUS304 stainless steel rod in light-duty lab or washdown setups requiring precise, adjustable stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-50S the Right Cylinder?
Choose this 32 mm bore when an application requires exact end-position tuning without swapping cylinders or adding external stops; if you need more force, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The generous 50 mm adjustment window is ideal for product changeovers on a line. Because the stroke is 115 mm, side-load risks are minimal, but always ensure the load is guided externally. To match this ISO 15552 interchangeable cylinder, specify the 32 mm bore, 115 mm stroke, 50 mm adjust, PT tapered port, SUS304 rod, and the -S magnet. For applications requiring the load to be held without continuous air pressure, select a SAIL or BSAI lock cylinder instead, as the SAIJ adjuster is not a brake.
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 SAIJ32BX115-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder generates 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 lets you shorten the 115 mm nominal stroke by up to 50 mm, creating a 65-115 mm travel window. It acts as a mechanical stop for tuning and does not lock the load without live air.
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