A cast iron butterfly valve is a type of flow control valve that:
1. Regulates fluid flow by rotating a disc (butterfly) 90 degrees.
2. Allows for on/off or throttling control.
3. Consists of:
- Body: Cast iron housing containing the valve mechanism.
- Disc (Butterfly): Rotating element that controls flow.
- Stem: Connects the disc to the actuator (handle or gearbox).
- Seat: Surfaces that seal when the valve is closed.
- Packing: Seals around the stem to prevent leaks.
4. Operates in various ways:
- Manual (handle or wheel)
- Actuated (electric, pneumatic, or hydraulic)
Cast iron butterfly valves are suitable for:
1. Water supply systems
2. Wastewater treatment
3. Chemical processing
4. HVAC systems
5. Industrial processes (oil, gas, steam)
Advantages:
1. Robust and durable
2. High-temperature resistance
3. Corrosion-resistant coatings available
4. Easy to install and maintain
5. Cost-effective
Disadvantages:
1. Limited to moderate pressure and temperature ranges
2. May require additional maintenance for packing and seals
FAQs of Cast Iron Butterfly Valve:
Q: What is the media for which Cast Iron Butterfly Valve is suitable?
A: Cast Iron Butterfly Valve is suitable for water media.
Q: What is the size of Cast Iron Butterfly Valve?
A: The size of Cast Iron Butterfly Valve is standard.
Q: What is the pressure handling capacity of Cast Iron Butterfly Valve?
A: Cast Iron Butterfly Valve can handle high pressure.
Q: What is the structure of Cast Iron Butterfly Valve?
A: Cast Iron Butterfly Valve has a ball structure.
Q: Where can Cast Iron Butterfly Valve be used?
A: Cast Iron Butterfly Valve can be used in industrial applications.
Q: What is the power source for operating Cast Iron Butterfly Valve?
A: Cast Iron Butterfly Valve is operated manually.
Q: What is the color of Cast Iron Butterfly Valve?
A: Cast Iron Butterfly Valve comes in blue color.