Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 280mm 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
- Stroke280 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-75
The AirTAC SAIJ32X280-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window between 205 and 280 mm. It delivers 402 N of push force at 0.5 MPa, making it well-suited for compact assemblies requiring precise end-position calibration during commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting.
This variant uses an SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads. The rear adjuster acts purely as a mechanical stop to set the retract position, meaning it cannot hold a load without live air pressure. For applications requiring true load-holding, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 280 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 SAIJ32AX280-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×280 | 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 SAIJ32AX280-75 Is Used
Machine Setup Calibration
Dial in the exact 205 to 280 mm retract position during initial commissioning without adding external physical stops to the fixture.
Product Size Changeover
Quickly adapt the cylinder's effective travel on packaging lines when switching between different product dimensions.
Variable End-Stop Positioning
Use the rear mechanical stop to precisely set the end-of-stroke position for light-duty assembly tasks requiring 402 N of force.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-75 the Right Cylinder?
Choose this 32 mm bore when you need 402 N of thrust at 0.5 MPa and a highly variable end-stop, avoiding the need to swap cylinders for product changeovers. If your application requires less force, step down to a 25 mm bore; if you need significantly more power, stepping up to a 40 mm bore provides 628 N. The SAIJ design omits the FB, CA, CB, and CR mounting accessories, supporting only Basic, FA, LB, TC, FTC, TCM1, and TCM2 brackets. Because the 280 mm stroke is relatively long for this bore size, an external guide is recommended to prevent excessive side-loading on the 12 mm rod.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 280 mm stroke, up to 75 mm adjustment range, PT port threads, and standard mounting interface. This specific SKU does not include a magnet, so it will not work with CMSE reed or DMSE electronic sensors without adding the -S option.
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 SAIJ32AX280-75 FAQ
The rear adjuster screw lets you mechanically shorten the effective travel from the nominal 280 mm down to 205 mm, providing a 75 mm tuning window. It functions as a hard stop and does not lock the load in place without continuous air pressure.
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver a maximum push force of 724 N when operated at 0.9 MPa.
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