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    Metal Seat Wafer Butterfly Valve

    Size Range: 2~48"(DN50~DN1200)

    Pressure: 1.0~4.0 MPa

    Body Materials: WCB , Stainless Steel

    Seat Materials: SS, Stellite

    Disc Materials: WCB , Stainless Steel

    Stem Materials: 40Cr, Stainless Steel

    Connection: Wafer


    Categories

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

    Adoptive Standards:

    Valve Design: API 609, MSS SP-67

    Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1

    Pressure Test: API 598

    Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

    Top Flange: ISO5211

    Features:

    Three Eccentric Design

    Stainless Steel sealing, good sealing performance with both low temperature and high temperature, anti-corrosive, long life

    Sealing seat anti-frictional and long life

    Bi-Directional

    Fire safe Design

    Low Friction Body Seat

    Zero Leakage

    Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

    Seat Test: 1.1 times the working pressure with water.

    Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

    Special Test: On request, any other test can be carried out according to special instruction by client.

    Parameters

    WESDOM Group

     

    Inch L H D373H D373Y D673H D973H 0.6MPa 1.0MPa
    H1 A1 B1 H2 A2 B2 H3 A3 B3 D1 Z-d D1 Z-d
    2 43 112 350 180 200 625 245 72 530 250 255 110 4-14 125 4-18
    2 1/2 46 115 370 180 200 625 245 72 530 250 255 130 4-14 145 4-18
    3 49 120 380 180 200 645 245 72 565 250 255 150 4-18 160 8-18
    4 56 138 420 180 200 675 355 92 600 250 255 170 4-18 180 8-18
    5 64 164 460 180 200 715 355 92 640 250 255 200 8-18 210 8-18
    6 70 175 555 270 280 800 355 92 705 300 315 225 8-18 240 8-22
    8 71 208 605 270 280 850 250 170 775 300 315 280 8-18 295 8-22
    10 76 243 680 270 280 925 250 170 945 300 315 335 12-18 350 12-22
    12 83 283 800 380 420 1035 450 200 1070 300 315 395 12-22 400 12-22
    14 92 310 835 380 420 1070 450 220 1140 300 315 445 12-22 560 16-22
    16 102 340 915 450 470 1190 450 220 1210 300 315 495 16-22 515 16-26
    18 114 380 960 480 490 1250 650 280 1335 575 714 550 16-22 565 20-26
    20 127 410 1020 480 490 1290 650 280 1415 575 714 600 20-22 620 20-26
    24 154 470 1225 480 490 1455 850 380 1605 656 810 705 20-26 725 20-30
    28 165 550 1355 640 660 1585 850 380 1844 656 810 810 24-26 840 24-30
    32 190 640 1470 640 660 1700 1250 380 2040 656 810 920 24-30 950 24-33
    36 203 710 1545 750 860 1965 1250 380 2255 785 863 1020 24-30 1050 28-33
    40 216 770 1795 850 900 2015 1250 380 2380 785 863 1120 28-30 1160 28-36
    48 254 890 1965 850 900 2250 1250 380 2640 785 863 1340 32-33 1380 32-39

     

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