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Butterfly Valve
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Wafe type Butterfly valve
Wafe type Butterfly valve
Proudct Name：

Wafe type Butterfly valve

Figure：B5000W
Size：2"-36"
Design Standard：API609-83
Face to Face：ANSI B16.10-1992
Flange Drilling：ANSI B16.5
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Specification
  • Structre type:  Wafer type three eccenticity

  • Design standard: API609-83

  • flange dimension:ANSI B 16.5

  • Face to Face:ANSI B 16.10-1992

  • Pressure test:API 598-82

    • Application
    characteristic is :due to use three eccentric configuration, hermetic capability reliably,which ensure disc never touch sealing seat when it start, solve the problem of hermetical seat burden unequally,prolong service life, and ensure reliable hermetic capability with advantage of high temperature resistant, wearable,antisepsis etc. 
    Materials
    Body WCB、304、316、316SS、CF8M
    Dise WCB、304、316、316SS、CF8M
    Stem 416 、316、2Cr13、1Cr18Ni9Ti
    Seal ring 316、Fluorine plastic
    Packing Flesxible graphite,fluorine plastic
    Dimensions
    API 150LB Series
    DN L H H2 D1 D2 M n-φd1
    50 43 110 345 120.5 92 M18 4-19
    80 49 125 380 152.5 127 M18 4-19
    100 56 145 415 190.5 157 M18 8-19
    125 64 165 455 216 186 M20 8-22
    150 70 175 545 241.5 216 M20 8-22
    200 71 210 645 298.5 270 M20 8-22
    250 76 250 695 362 324 M24 12-25
    300 86 285 830 432 381 M24 12-25
    350 92 320 900 476 413 M27 16-29
    400 102 355 980 540 470 M27 16-29
    450 114 380 1030 578 533 M30 16-32
    500 127 415 1110 635 584 M30 20-32
    600 154 475 1305 749.5 692 M33 20-35
    750 165 580 1525 914 857 M33 28-35
    800 190 630 1585 978 914 M39 28-41
    900 203 680 1765 1085 1022 M39 32-41


    API 300LB Series
    DN L H H2 D1 D2 M n-φd1
    50 43 110 345 127 92 M18 8-19
    80 49 125 380 168 127 M20 8-22
    100 56 145 415 200 157 M20 8-22
    125 64 165 455 235 186 M20 8-22
    150 70 175 545 270 216 M20 12-22
    200 71 210 645 330 270 M24 12-26
    250 76 250 695 387 324 M27 16-29
    300 86 285 830 451 381 M30 16-32
    350 92 320 900 514 413 M30 20-32
    400 102 355 980 571 470 M33 20-35
    450 114 380 1030 628 533 M33 24-35
    500 127 415 1110 686 584 M33 24-35
    600 154 475 1305 813 692 M39 24-41
    750 165 580 1525 997 857 M45 28-49
    900 203 680 1765 1168 1022 M50 32-53
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