1. ISO15552 (formerly ISO6431) compliant standard cylinder design
2. Patented asymmetrical bidirectional piston seal structure with compact dimensions and integrated oil reservoir functionality
3. Tie-rod-free H-section aluminum alloy tube construction enhances corrosion resistance; Precision-machined T-slot grooves enable tool-free sensor mounting
4. Adjustable pneumatic cushioning system ensures smooth end-of-stroke deceleration
5. Comprehensive product range includes multiple bore sizes and modular mounting accessories for versatile configurations
6. High-temperature sealing compounds certified for operation from 0°C to 150°C
Category: Standard Cylinders | Brand: AIRTAC | Series: SAI63
AirTAC SAI63X425 Standard Cylinder Technical Specifications
- Full model code: SAI63X425
- Bore size: 63 mm (ISO 6432 standard)
- Stroke: 425 mm (±0.5mm tolerance)
- Operating pressure: 0.1-0.9 MPa
- Medium temperature: -20℃ to 80℃ (with NBR seals)
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (optional foot/mounting flange available)
- Port size: G1/4 (ISO 6149 metric thread)
- Piston rod thread: M16×1.5 (external)
- Material composition:
- Cylinder tube: Aluminum alloy with hard anodizing
- Piston rod: Carbon steel with hard chrome plating (4-5μm)
- End caps: Die-cast aluminum
- Seals: NBR (standard), optional FKM/Viton for high temp
- Theoretical thrust:
- At 0.5MPa: 1,560N (extending)/1,320N (retracting)
- At 0.7MPa: 2,184N (extending)/1,848N (retracting)
- Weight: 2.8 kg (excluding mounting accessories)
- Dimensions:
- Total length: 687 mm (stroke 425 + 262 base length)
- Body diameter: 80 mm (hexagonal cross-section)
- Mounting hole spacing: 50×50 mm pattern
- ISO certification: Compliant with ISO 6432:2015
High-precision industrial cylinder featuring twin-piston design with magnetic coupling for position sensing compatibility. The SAI63X425 combines heavy-duty construction with precision machining, offering 0.05mm repeat positioning accuracy. Anti-rotation mechanism prevents piston rod spin during operation. Optional auto switch slots (2 per end) for magnetic sensors.
- Automated palletizing systems (box pushing/positioning)
- Plastic injection molding machine ejectors
- Automotive welding fixture clamping
- Paper converting equipment tension control
- CNC machine tool chip conveyor actuation
| Property | Property Value |
|---|---|
| sku | SAI63X425 |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT3/8 |
| Piston Rod Material | Medium Carbon Steel |
| 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.









