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    Expansion Flange Butterfly Valve

    Product details

    1. Reasonable structure, flexible design, light weight, labor-saving, quick opening and closing
    2. Telescopic butterfly valve can not only compensate the heat expansion and cold contraction caused by the shrinkage of pipe temperature difference, but also provide convenience for the installation and replacement of maintenance valve
    3. The sealing part can be adjusted and replaced, and the sealing performance is reliable


    Product model: SD341X
    Nominal diameter: DN50 ~ DN1400mm
    Nominal pressure: PN1.0/1.6mpa
    Applicable medium: water, oil, gas and various corrosive medium
    Applicable temperature: -10 ~ 150℃
    Connection: Flange type
    Body material: cast iron, ductile iron
    Seat material: rubber
    Valve plate quality: ductile iron/stainless steel



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