Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-20
The AirTAC SAIJ32X350-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 350mm stroke that can be dialed back by up to 20mm, yielding a usable travel window of 330-350mm for precise end-position tuning during commissioning. Driven by a 12mm carbon steel rod with a PT G1/8 port, it generates 402N of push force at 0.5MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This adjustable variant omits the FB, CA, CB, and CR mounts, utilizing a reduced set of ISO 15552 mounting interfaces (Basic, FA, LB, TC, FTC, TCM1, TCM2). The SUS420J2 stainless steel rod option enhances corrosion resistance, while the rear stopper acts purely as a travel limit. It does not hold the load without live air pressure; for dead-air holding, explore the SAIL or BSAI series.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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 SAIJ32AX350-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SAIJ32AX350-20 Is Used
Machine Setup Tuning
Dial in the exact 330-350mm end-position during commissioning to perfect the stroke length without machining external hard stops.
Product Changeover
Quickly adjust the travel end-stop on a packaging line when handling slightly different carton sizes, reducing downtime.
Assembly Positioning
Use the fine-tune rear screw to set a precise retract distance for delicate component placement tasks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX350-20 the Right Cylinder?
Choose this 32mm bore when your application requires 402N of push force at 0.5MPa. If your process demands higher thrust, stepping up to the 40mm bore yields 628N at the same pressure. The adjustable stroke is ideal for machine setups requiring variable end-stops or product changeovers without physically swapping cylinders. At 350mm of travel, the 12mm rod is susceptible to side-loading; always guide the load externally to prevent binding. To replace an ISO 15552 cylinder, match the 32mm bore, 350mm stroke, 20mm adjustment, PT G1/8 port, and your required mounting interface.
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 SAIJ32AX350-20 FAQ
At 0.5MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At the maximum 1.0MPa pressure, it delivers up to 82kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from 350mm down to 330mm. It only limits travel and does not lock or hold the load without live air pressure.
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