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    Expansion flange butterfly valve

    Expansion flange butterfly valve

    Description:Telescopic flange butterfly valve applicable temperature of 80 ℃ or less, used in petroleum.

    Telescopic flange butterfly valve applicable temperature of 80 ℃ or less, used in petroleum, chemical, food, medicine, textile, papermaking, electric power, water supply and drainage, gas pipeline, to adjust flow and the role of intercepting medium. It has the function of compensating pipe heat expansion and shrinkage.


    The design is novel, reasonable, the structure is unique, the weight is light, the operation is convenient, open and close fast.

    The telescopic butterfly valve can rise to adjust the flow and throttling effect, and can compensate pipeline temperature difference, the function of heat bilges cold shrink, also easy to install and disassemble, a valve multi-purpose products.

    Installation considerations:

    Before the valve is installed, it must be cleaned.

    The valve can be within a certain range expansion, before installation must loosen the telescopic part of the packing gland, and then the generation after the length of the need of this valve and pipeline, then lock expansion gland.


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