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    Understand the advantages and disadvantages of pneumatic butterfly valves

    Date:[2019-04-10]     Click:

    Understand the advantages and disadvantages of pneumatic butterfly valves.


    Advantages of pneumatic butterfly valves:


    1. The opening and closing is convenient and labor-saving, the fluid resistance is small, and it can be operated frequently.


    2, the structure is simple, small size and light weight.


    3. It is capable of transporting mud and accumulating liquid at the mouth of the pipe.


    4, under low pressure, can complete an outstanding seal.


    5, good conditioning performance.

    Pneumatic butterfly valve

    Defects of pneumatic butterfly valves:


    1. The application pressure and working temperature range are small.


    2. Poor sealing.


    The butterfly valve can be divided into a bias plate type, a straight plate type, a slant plate type and a lever type according to the structure. According to the sealing method, it can be divided into two types: soft seal type and hard seal type. The soft seal type is generally sealed with a rubber ring, and the hard seal type is generally sealed with a metal ring.


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