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    Cast Iron Butterfly Check Valve

    Size Range: 2~24"(DN50~DN600)
    Pressure: PN10, PN16, Class125
    Body Materials: Cast Iron, Ductile Iron , WCB , Stainless Steel, Bronze
    Seat Materials: NBR, EPDM
    Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958
    Stem Materials: SS416, SS304, SS316


    Categories

    Tel: +86-18539246853
    Fax: +86-371-55883235
    E-mail: [email protected]
    Address: ZhengZhou,HeNan,China.

    Product introduction:
    The wafer butterfly check valve is a energy-save product.It is manufactured based the foreign advanced technology and in accordance with relative international standards.This product is featured by excellent retaining per-formance,high safety and reliability and low flow resistance.It is suitable for systems in the industries of petrochemical food processing,medicine,textile,paper-making.Water,supply,drainage,metallurgy,energy,and light industry,etc,used as a check valve in one way.

    Featutes:
    1.Small in size,light in weight,compact in structure,easy in maintenance.
    2.Two torsion springs are used excerting on each of the pair valve plates.Which close the plates quickly and automatically.
    3.The quick-close action prevents the medium from flowing back and eliminates water-hammer effect.
    4.This valve is short in length,so that it is rigid and easy to mount.
    5.It is easy to install on pipeline which is laid horizontally or vertically.
    6.This valve is tightly sealed without leakage under the pressure water test.
    7.Safe and reliable in operation,high interference-resistance.

     

    Parameters

    WESDOM Group

    Nominal DN(mm) Measurement(mm)
    L R D Do
    40 43 23.5 92 55
    50 43 28.5 107 65.5
    65 46 34.5 127 81
    80 64 44 142 95
    100 64 52.8 162 121
    125 70 66.5 192 148.3
    150 76 74.5 217 171
    200 89 87.5 272 225
    250 114 127 328 265
    300 114 147 378 310
    350 127 173 438 360
    400 140 198 489 410
     Wafer Check Valve Main parts & material
    Name Material
    Valve body Grey iron, DI
    Disc Ductile iron
    Spring Stainless steel
    Seal ring NBR
    Shaft Carbon steel
    Function & specification          
    Type

    Nominal Pressure

     (MPa)

    Testing Pressure Suitable
     temperature
    Suitable
     medium
    Strength(Water)(MPa) Sealing(Water)(MPa)
    DH77X-10 10 1.5 1.4 ≤80 Water
    DH77X-16 16 2.4 1.8

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