Airtac SI63 Standard Cylinder SI63BX425S
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 SI63BX425S Standard Cylinder Specifications
- Model: SI63BX425S
- Bore size: 63 mm
- Stroke: 425 mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Port size: Rc1/4 (G1/4 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting type: Basic type (axial mounting holes)
- Rod end: Male thread M20×1.5
- Seal material: NBR (Nitrile rubber)
- Weight: 4.8 kg ±2%
- Dimensions:
- Length: 749 mm (full extension)
- Body width: 78 mm (max flange dimension)
- Height: 89 mm (including mounting protrusions)
- Lubrication: Required (ISO VG32 turbine oil recommended)
- Repeat accuracy: ±0.5 mm
- Protection rating: IP54 (standard wiper seal)
High-precision industrial cylinder with chromium-plated piston rod and aluminum alloy body, designed for heavy-duty cycling applications. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration. The SI63 series utilizes a double-acting design with integrated magnet for position sensing compatibility.
- Automated assembly line clamping mechanisms
- Injection molding machine ejectors
- Steel coil handling systems
- Automotive welding fixture positioning
- Palletizing robot end-effector drives
Installation note:
Optimal performance achieved when mounted horizontally. For vertical installations,
use rod-down orientation and specify optional guide brackets. Adjust cushion needles
1/4 turn at a time during commissioning. Lubricate every 5 million cycles in normal duty.
| Property | Property Value |
|---|---|
| sku | SI63BX425S |
| 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 | SUS304 |
| Magnet | S-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.