2. Features wear-resistant Y-shaped axial sealing structure with cushioning function, extended service life, and low friction resistance;
3. Aluminum square tube profile with anodized tie rods for superior corrosion resistance;
4. Built-in adjustable pneumatic cushioning at both ends;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AirTAC | Series: SI40
AirTAC SI40AX225 Standard Cylinder Technical Details
- Model: SI40AX225 (Standard ISO Cylinder Series)
- Bore size: 40mm
- Stroke: 225mm
- Operation type: Double-acting
- Working pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning type: Adjustable elastic cushion (both ends)
- Port size: M5x0.8 (Standard) / NPT1/8 (Optional)
- Piston rod thread: M12x1.25
- Rod material: Stainless steel SUS304
- Cylinder tube: Aluminum alloy hard anodized
- Seal material: NBR (Nitrile rubber)
- Weight: 1.85kg ±2% (with standard accessories)
- Dimensions (L×W×H):
- Retracted length: 290mm
- Extended length: 515mm
- Width (mounting bracket): 52mm
- Height (body diameter): 40mm
- ISO compatibility: 6432 standard
- Protection class: IP54 (standard seals)
The SI40AX225 features precision honed tubing and dual chrome-plated piston rods for consistent performance in repetitive industrial applications. Its optimized cushion design reduces end-impact noise to ≤75dB(A) at 0.5MPa. The corrosion-resistant construction allows operation in environments with particulate contamination up to 15mg/m³.
- Carton clamping in packaging lines
- Die casting machine ejection systems
- CNC machine tool fixture actuation
- Automated conveyor diverters
- Plastic injection molding machines
| Property | Property Value |
|---|---|
| sku | SI40AX225 |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT1/4 |
| Piston Rod Material | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 225mm |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.









