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    Cast Iron DIN Flanged Type Butterfly Valve Technical Specification

    1. Introduction to cast iron flanged type butterfly valve.

    Flanged style are mainly applied to larger size cast iron butterfly valves(14" and larger) that have larger face-to-face dimensions, which are more apt to leak from thermal expansion. Usually flanged valve bodies can withstand the thermal expansion in some severe services such as high temperature, high pressure or fire sensitive applications. They have integral flanges on the body that match relative international standards: EN1092-1, DIN, JIS B2220, BS4504, or ASME B16.5, and ASME B16.1 etc.

    2. G.A drawing of cast iron flanged type butterfly valve.(DIN flanged).

    3. Materials for cast iron flanged type butterfly valve(DIN flanged).

    ITEM NO.
    DESCRIPTION
    MATERIALS
    1
    Body
    ASTM A126 Grey Iron, ASTM A536 Ductile Iron
    2
    Disc
    Ductile Iron(Nickel Plated), Aluminum Bronze, SS304, SS316, Monel
    3
    Stem
    SS416, SS304, SS316, Monel
    4
    Seat
    Buna-N, EPDM, PTFE, Neoprene, Viton
    5
    O-Ring
    Buna-N(Viton as optional)
    6
    Bushing
    PTFE

    4. Data sheet of dimensions

    SIZE
    Φ D
    H
    H1
    H2
    L
    DIN PN10
    DIN PN16
    DN
    INCH
    Φ D1
    n - Φd
    Φ D1
    n - Φd
    400
    16"
    580 
    957
    296
    376
    216
    515
    16 - Φ27
    525
    16 - Φ30
    450
    18"
    640 
    1007
    315
    406
    222
    565
    20 - Φ27
    585
    20 - Φ30
    500
    20"
    715 
    1085
    352
    448
    229
    620
    20 - Φ27
    650
    20 - Φ33
    600
    24"
    840 
    1246
    441
    518
    267
    725
    20 - Φ30
    770
    20 - Φ36
    700
    28"
    910 
    1415
    473
    560
    292
    840
    24 - Φ30
    840
    24 - Φ36
    800
    32"
    1025 
    1528
    527
    620
    318
    950
    24 - Φ33
    950
    24 - Φ39
    900
    36"
    1125 
    1742
    581
    685
    330
    1050
    28 - Φ33
    1050
    28 - Φ39
    1000
    40"
    1255 
    1863
    653
    735
    410
    1160
    28 - Φ36
    1170
    28 - Φ42
    1200
    48"
    1485 
    2240
    796
    917
    479
    1380
    32 - Φ39
    1390
    32 - Φ48
     *All dimensions are in mm unless otherwise specified.
      *DIN flanged dimensions are according to EN1092-1.

     

    Views: 4383  Author:METALS INDUSTRIAL  Date:2015/02/23