Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 240mm 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
- Stroke240 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50
The AirTAC SAIJ32X240-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down from 240 mm to a 190 mm minimum. This on-device tuning eliminates the need to swap the barrel or bolt on external stops during commissioning. It delivers 402 N of push thrust and 345 N of pull thrust at 0.5 MPa, making it well-suited for lighter-duty positioning tasks.
Built to exact specifications, this unit uses 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 direct mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts purely as a travel stop to set the end position; it does not lock or hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 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 SAIJ32BX240-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | 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 SAIJ32BX240-50 Is Used
Variable End-Stop Setup
Dial in the exact 190 to 240 mm travel distance during machine commissioning without machining new hard stops.
Product Changeover
Quickly adjust the retract end-position for different package sizes on a packaging line.
Light-Force Positioning
Utilize the 402 N push force at 0.5 MPa for delicate assembly tasks requiring precise physical stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-50 the Right Cylinder?
Choose this 32 mm bore when an application requires precise end-position tuning within a 190-240 mm travel window. If your process needs less force, stepping down is not an option below 32 mm, but stepping up to a 40 mm bore increases push force to 628 N at 0.5 MPa. The 50 mm adjustment range is particularly useful for product changeovers on packaging lines where multiple end-stops are required without mechanical rebuilds.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 240 mm stroke, 50 mm adjustment range, PT port threads, and the SUS304 rod material. This model uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the 240 mm stroke is relatively long for a 32 mm rod, an external guide is recommended to prevent side-load damage.
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 SAIJ32BX240-50 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 the maximum 1.0 MPa pressure, it delivers 82 kgf.
The rear adjuster acts as a mechanical stop that lets you trim the effective stroke back by up to 50 mm. This creates a usable travel window between 190 mm and 240 mm. The adjuster only sets the end position and does not hold the load without live air.
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