[Use of the product] 

 Three-eccentric two-way metal sealed welded butterfly valves are widely used in water conservancy engineering, tap water, power circulating water, petroleum, chemical and other industrial pipelines to cut off the medium flow. 

 [Product Features] 

 1. The butterfly valve is two-way pressure-bearing, two-way metal seal, and the special structural form can arbitrarily adjust the sealing specific pressure. The eccentric S-shaped conical valve seat sealing surface is adopted, so that the sealing surface is not easy to damage and the service life of the valve is improved. 

 2. The operating torque is relatively small, and it turns 90 degrees to open and close, which is light and fast. 

 3. Small flow resistance, good hydraulic characteristics, flow characteristics are almost inclined in a straight line, good energy-saving effect, and two-way sealing has no direction requirements for water flow. 

 4. The sealing is reliable, and the opening and closing life is more than 25,000 times. 

 5. The valve plate adopts a double-flat truss multi-channel design that conforms to the fluid mechanical properties.

Each process, each facility, and each environmental constraint has its own special requirements. Therefore, Dongyan offers a comprehensive range of products covering different performance levels, pressures, different functions and different materials.