Double Flange Butterfly Valve

  • Easy Installation and Maintenance: The design of the valve with double flanges simplifies installation, maintenance, and repair processes, reducing downtime and operational costs.
  • Efficient Flow Control: The butterfly disc design allows for precise modulation of flow rates, facilitating efficient flow control in various operating conditions.
  • Space-Saving Design: Double flange butterfly valves have a compact design, making them ideal for applications where space is limited.

Product Description

A double flange butterfly valve is a type of quarter-turn rotational motion valve used in fluid control applications. It derives its name from the presence of flanges on both ends of the valve body, which facilitates direct connection to pipe systems using bolts and gaskets. This design feature not only simplifies installation but also allows for easy maintenance and replacement without having to disconnect or reconfigure the entire pipeline.

Operation and Functionality

When the actuator turns the disc, the valve’s functionality comes into play. In the open position, the disc is parallel to the flow path, allowing fluid to pass through almost unhindered. When the double flange butterfly valve dimensions needs to close, the actuator rotates the disc by 90 degrees until it fully engages with the seat, thereby obstructing the flow completely.


1. Double Flanges: The presence of flanges on both ends of the valve allows for easy installation and connection to the pipeline, providing stability and support during operation.
2. Butterfly Disc: The disc, often made of durable materials such as stainless steel or ductile iron, is mounted eccentrically to reduce friction and wear, ensuring smooth operation and tight shut-off.
3. Sealing Mechanism: The valve incorporates a reliable sealing mechanism between the disc and the seat to prevent leakage and ensure a secure closure when the valve is in the closed position.
4. Actuation Options: china double flange butterfly valve manufacturers can be operated manually, pneumatically, electrically, or hydraulically, offering flexibility in control and automation based on application requirements.

Double Flange Butterfly Valve


  • Water Treatment Plants: These valves play a vital role in regulating the flow of water and wastewater in treatment facilities.
  • HVAC Systems: Double flange butterfly valves are utilized in heating, ventilation, and air conditioning systems for flow control and isolation.
  • Chemical Processing: They are employed in chemical plants for controlling the flow of various chemicals and fluids.
  • Power Generation: Double flange butterfly valves are used in power plants for steam, water, and gas flow control.