Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100 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 SAIJ32AX280-100
The AirTAC SAIJ32X280-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a substantial 100 mm adjustment range, allowing you to dial the effective travel down from the 280 mm nominal stroke to a 180 mm minimum. This creates a wide 180-280 mm usable window for fine-tuning end positions at commissioning. Delivering 402 N of push force at 0.5 MPa, it handles lighter-duty workholding and ejection tasks.
This unit is configured with a SUS420J2 stainless steel rod for improved corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Because the 280 mm stroke is relatively long for the 32 mm bore, the 12 mm rod diameter means external guidance is recommended to prevent excessive side-loading and premature seal wear.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100 |
|---|---|
| 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 SAIJ32AX280-100
| 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 SAIJ32AX280-100 Is Used
Variable End-Stop Positioning
Dial in the exact retract distance between 180 and 280 mm on packaging equipment to accommodate different carton sizes without changing the cylinder.
Machine Setup Commissioning
Use the 100 mm adjustment screw to fine-tune the final end position during initial machine build, compensating for mechanical tolerances without adding external stopper blocks.
Product Changeover Diverter
Quickly reposition a conveyor diverter arm by shortening the stroke from the rear adjuster, adapting the line to new product dimensions in seconds.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100 the Right Cylinder?
Choose this adjustable model when your machine setup requires frequent product changeovers or variable end-stops without swapping out the entire physical cylinder. Compared to the smaller SAIJ40X280-100 which offers 628 N of push force at 0.5 MPa, this 32 mm bore is ideal for lower-force applications under 400 N. The rear adjuster acts purely as a mechanical stop to set the retract position; it does not lock or hold the load without live air pressure. For true fail-safe load holding, consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32 mm bore, the 280 mm nominal stroke, and the 100 mm adjustment range. Ensure your plumbing matches the PT G1/8 port thread, and select from the available SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. Since no magnet is specified, position sensing via CMSE reed or DMSE electronic switches is not enabled for this specific configuration.
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 SAIJ32AX280-100 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder produces 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw acts as a mechanical stop that limits the piston's retract travel. You can shorten the effective stroke by up to 100 mm, creating a usable travel window between 180 mm and 280 mm without replacing the cylinder.
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