High Performance Throttle Butterfly Valve

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China High Performance Throttle Butterfly Valve Manufacturers, Suppliers and Factory with Price List
1.Introduction of High Performance Throttle Butterfly Valve

High Performance Throttle Butterfly Valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. It mainly plays the role of cutting off and throttling on the pipeline. The High Performance Throttle Butterfly Valve opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment.

2.Connection Design of High Performance Throttle Butterfly Valve

High Performance Throttle Butterfly Valve can be connected to a piping system in different ways. The most common methods are wafer type or lug type. However, they can also utilize a flange or a tri-clamp connection.

3.Wafer-style of High Performance Throttle Butterfly Valve

A wafer-style High Performance Throttle Butterfly Valve is the most economical version and it is sandwiched between two pipe flanges. This valve may or may not have flange holes outside of the valve body. The pipe flanges are connected through long bolts that cross the entire valve body. The sealing between the valve and pipe flanges is accomplished via gaskets, O-rings, and flat valve faces on both sides of the valve. This type of connection is designed for sealing against bi-directional differential pressures and to prevent backflow in systems designed for universal flow.

4.Lug-style of High Performance Throttle Butterfly Valve

The lug-style High Performance Throttle Butterfly Valve has threaded inserts (lugs) outside the valve body. Two sets of bolts connect pipe flanges to each side of the bolt inserts without nuts. This design enables the disconnection of one side without affecting the other for dead-end service. Lug-style High Performance Throttle Butterfly Valves used in dead end service generally have a lower pressure rating. The lug-style High Performance Throttle Butterfly Valve, unlike the wafer-style, carry the weight of the piping through the valve body.

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