Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20 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 SAIJ32AX240-20
The AirTAC SAIJ32X240-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 220-240 mm usable travel window, letting you dial back the 240 mm nominal stroke by up to 20 mm during machine commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa operating pressure.
This variant uses a SUS420J2 stainless steel piston rod (option A) to resist corrosion and handle moderate side loads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE solid-state switches, though this specific SKU is supplied without a magnet. It features PT tapered port threads (G1/8) and adjustable air cushions at both ends to decelerate the moving load smoothly.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20 |
|---|---|
| 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 SAIJ32AX240-20
| 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 SAIJ32AX240-20 Is Used
Machine Setup Tuning
Dial in the exact 220-240 mm end-stop during commissioning to align strokes perfectly without swapping cylinders or adding external stops.
Product Changeover
Quickly adjust the retract end-position by up to 20 mm when running a new product size on the same line, minimizing downtime.
Variable End Stops
Provide adjustable travel limits for light-duty conveyor diverters or gating mechanisms requiring 402 N of push force at 0.5 MPa.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20 the Right Cylinder?
Choose this 32 mm bore model when your application requires 402 N of thrust at 0.5 MPa and precise end-position tuning without adding external stops. If your process needs less force, dropping to a 25 mm bore reduces output, while stepping up to a 40 mm bore yields 628 N of push force at 0.5 MPa. The rear adjuster screw acts strictly as a travel stop to fine-tune the 220-240 mm window; it does not hold the load without live air pressure. For fail-safe load holding, consider an AirTAC SAIL or BSAI series cylinder.
To match this ISO 15552 replacement exactly, specify a 32 mm bore, 240 mm stroke, 20 mm adjustment range, PT G1/8 port thread, SUS420J2 rod material, and no magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 attachments, omitting the FB, CA, CB, and CR options available on some other series.
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 SAIJ32AX240-20 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 up to 82 kgf.
The rear adjusting screw acts as a mechanical stop that lets you shorten the effective travel from the 240 mm nominal stroke down to a minimum of 220 mm. It sets the end position but does not lock or hold the load without continuous air pressure.
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