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  • Flanged Multi-layer Hard-sealed Butterfly Valvewatermark
  • Flanged Multi-layer Hard-sealed Butterfly Valve

    Nominal Diameter:DN40~2000mm


    Nominal Pressure:PN0.6~4.0MPa


    Applicable Temperature:-29~425℃


    Applicable Media:水、蒸汽、油品等


    Body Material:碳钢、不锈钢


    Seat Material:不锈钢、司太立合金、碳化钨、镍合金、蒙乃尔


    Disc Material:碳钢、不锈钢、合金钢


    Connection Type:法兰式


    Operation:蜗轮传动、电动、气动、液动

    Performance Features

    1、Unique structure, compact and lightweight, flexible operation, labor-saving and convenient;

    2、Reliable sealing, achieving gas-tight zero leakag;

    3、Flow characteristics tend to be linear with excellent regulating performance;

    4、Adopts the triple-offset principle, resulting in nearly zero wear on the sealing surfaces and extending the valve's service life;

    5、Wide application range, such as water, steam, oil, air, gas, and other media;

    6、Suitable for various temperatures and pressure ratings up to 6.4MPa, with corrosion resistance for various media pipelines 。