According to the classification of Butterfly valve

      Connection points by:

     1.On the folder type butterfly valve

     The direction of the diameter of the butterfly plate wafer type butterfly valve installed in the pipe. The valve is fully open state.

     Wafer type butterfly valve has the advantages of simple structure,small volume, light weight. Butterfly valve with elastic seal and metal seal two kinds of sealed type. Elastic sealing valves, seals can bemounted on the body or attached to the disc periphery.

      2.Flange type butterfly valve

    Flange type butterfly valve is a vertical type structure, the valve stem seals integral metal hard seal valve

    Flexible graphite plate and stainless steel plate composite structure,installed in the valve, the butterfly plate sealing surface surfacingstainless steel. Soft sealing valve seal for the nitrile rubber material,is installed in the butterfly board.

    3.The lug type butterfly valve.

    4.Welding type butterfly valve.

Lifting Chain

     Welding type butterfly valve is a non sealed butterfly valve, widely used in building materials, metallurgy, medium temperature is ≤mines, electric power production process in 300 ℃ nominal pressure 0.1Mpa pipe, used to connect, open and close or adjust the medium quality.

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