Airtac SI63 Standard Cylinder SI63AX425
2. Piston sealing features dual-locked Y-type axial sealing structure with dust scraping capability, delivering extended service life and low friction resistance;
3. Aluminum tube with cross-shaped reinforcement and anodized tie rods for enhanced corrosion resistance;
4. Optimized cushion adjustment system with stable stroke control;
5. Multiple bore sizes and mounting accessories available for flexible configuration.
Category: Standard Cylinders | Brand: Airtac | Series: SI63
AirTAC SI63AX425 Standard Cylinder Specifications
- Model: SI63AX425
- Type: Double-acting pneumatic cylinder with auto-switch compatibility
- Bore size: 63 mm
- Stroke: 425 mm (customizable 25-800 mm)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable air cushion at both ends
- Mounting style: Front flange (ISO 15552 standard)
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod thread: M20×1.5
- Material:
- Tube: Aluminum alloy with hard anodizing
- Piston rod: Chrome-plated carbon steel (Cr-Mo)
- Seals: NBR (Nitrile rubber)
- Weight: 3.8 kg (with 425mm stroke)
- Dimensions:
- Total length: 528 mm (stroke 425mm + end caps)
- Body diameter: 80 mm
- Mounting flange: 100×100 mm
- ISO certification: ISO 6432/15552 compliant
- Max speed: 500–800 mm/s (with cushioning)
A heavy-duty industrial cylinder featuring corrosion-resistant construction and precise positioning capability. The chrome-plated piston rod integrates wear-resistant technology, supporting 500km+ service life under full load. Includes magnetic piston for sensor mounting (inductive sensors sold separately). Requires 40μm filtered air and ISO VG32 hydraulic oil lubrication.
- Automated assembly line material handling
- Plastic injection molding machine ejectors
- Steel mill conveyor gate controls
- Automotive welding fixture positioning
- Packaging machine vertical lift mechanisms
Installation notes:
- Align cylinder axis within 0.2mm perpendicular tolerance
- Apply thread locker to mounting bolts (M8×1.25)
- Allow 1.5× bore size clearance for rod extension
- Lubricate every 3 months in dusty environments
| Property | Property Value |
|---|---|
| sku | SI63AX425 |
| 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 | PT3/8 |
| Piston Rod Material | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | 63mm |
| Stroke | <425mm> |
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.