NBR Lined Wafers End Electric Type Factory Price Butterfly Valve 304 Stainless Steel Electric Rubber Lined Soft Sealing Butterfly Valve D971X-16p DN100

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Rubber lined butterfly valves are lined with polytetrafluoroethylene with a spherical sealing surface,Butterfly plate, this valve is easy to operate, has tight sealing performance, and an ultra long service life; It can be used for quickly cutting off or adjusting flow. Suitable for occasions that require reliable sealing and good adjustment characteristics. 

The valve body adopts a split type, and the sealing at both ends of the valve shaft is controlled by adding fluorine rubber to the rotating base surface between the butterfly plate and the valve seat; Ensure that the valve shaft does not come into contact with the fluid medium in the cavity. 

Widely suitable for the transportation of liquids and gases (including steam) in various types of industrial pipelines, and for use in severely corrosive media such as sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine gas, strong alkali, aqua regia, and other highly corrosive media.

 

At present, rubber lined butterfly valves, as a component used to achieve on/off and flow control in pipeline systems, have been widely used in many fields such as petroleum, chemical, metallurgy, hydropower, etc

Domain has been widely used. In the well-known butterfly valve technology, the sealing form mostly adopts a sealing structure, and the sealing materials are rubber, polytetrafluoroethylene, etc. 

Due to the limitations of structural characteristics, it is not suitable for industries such as high temperature resistance, high pressure resistance, corrosion resistance, and wear resistance. 

A relatively advanced butterfly valve is a triple eccentric metal hard seal butterfly valve, with the valve body and valve seat as interconnected components. The sealing surface of the valve seat is welded with heat-resistant and corrosion-resistant alloy materials. 

The multi-layer soft stacked sealing ring is fixed on the valve plate. Compared with traditional butterfly valves, this type of butterfly valve has high temperature resistance, easy operation, no friction when opening and closing, and follows the torque of the transmission mechanism when closing.