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  • current location: Home   >> Product   >> Pneumatic valve >> Pneumatic butterfly valve

    Pneumatic soft seal flange butterfly valve

    詳情介紹

    The product description

    Pneumatic soft seal flange butterfly valve

    USES and features

    Soft seal butterfly valve is suitable for food, medicine, chemical industry, petroleum, electric power, light textile, papermaking and other water supply and drainage, gas pipeline for regulating the flow rate and blocking medium on the temperature ≤120℃, nominal pressure ≤ 1.6mpa. Its main features are:

    1. Novel design, reasonable, unique structure, light weight, quick opening and closing.

    2, small operating torque, easy to operate, labor saving dexterity.

    3, can be installed at any location, easy maintenance.

    4, the sealing parts can be replaced, the sealing performance is reliable to achieve zero leakage of two-way sealing.

    5, sealing material aging, corrosion resistance, long service life and other characteristics.

    With a standard

    Design standard: GB/ t2238-1989

    Flange connection size :GB/ t9113.1-2000; GB/T9115.1-2000; JB78

    Structure length :GB/ t12221-1989

    Pressure test :GB/ t13927-1992; JB/T9092-1999


    Main technical parameters

    Nominal diameterDN(mm)50~2000
    Nominal PressurePN(MPa)0.61.01.6
    Test pressurestrength test0.91.52.4
    Seal test0.661.11.76
    Air Seal Test0.60.60.6
    ApplicableAir, water, sewage, steam, gas, oil, etc.
    Drive typeManual, worm and wheel drive, gas drive, electric drive.

    Material for main parts

    Part NameMaterials
    valve bodyQ345B, ductile steel, cast steel, alloy steel, stainless steel
    Butterfly PlateGray cast iron, ductile steel, cast steel, stainless steel and special materials
    Ball seatAll kinds of rubber, ptfe
    valve rod2Cr13, stainless steel
    StuffingO-ring, flexible graphite O

    Butterfly valve sealing material selection and applicable temperature

    description of materialsNeopreneBuna-N rubberEPDMPTFEVMQFKM
    codeX or JXA or JAXB or JBXC、JC or FXD or JDXE or JE
    Maximum temperature tolerance82℃93℃150℃232℃250℃204℃
    Minimum temperature tolerance-40℃-40℃-40℃-268℃-70℃-23℃
    Applicable operating temperature≤65℃≤80℃≤120℃≤200℃≤200℃≤180℃

    Dimensions

    D41X-6Z.Q.C.P.RSerial connection dimensions
    10
    J16
    DNThe length of the structure

    Overall dimensions

    (reference value)

    Connection size (standard value)Reference Weight(kg)
    0.6MPa1.0MPa1.6MPa
    mmHWDLHH0ABDD1D2n-dDD1D2n-dDD1D2n-d
    50210882.523827065140110884-14165125994-18165125994-188.5
    6521/211292.5258270651601301084-141851451184-181851451184-189.5
    803114100278270651901501244-182001601328-182001601328-1811
    1004127110293270652101701444-182201801568-182201801568-1815
    1255140125309310652402001748-182502101848-182502101848-1821
    1506140142.5336310652652251998-182852402118-222852402118-2224


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