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  • Metal Seat Wafer Butterfly Valve
  • Metal Seat Wafer Butterfly Valve
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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


    TAG: , ,

    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

    Metal Seat Wafer Butterfly Valve

     

    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

     

    Parameters

    Wafer triple offset butterfly valve product features:  


    1. Wafer triple offset butterfly valve adopts three offset sealing structure, seat and disc almost no wear, with tighter sealing function;  
    2.Wafer triple offset butterfly valve sealing ring is made of stainless steel, with the dual advantages of metal hard seal and elastic seal, both at low temperature and high temperature, have excellent sealing performance, with corrosion resistance, long service life and other characteristics;
    3. Wafer triple offset butterfly valve sealing surface using surfacing cobalt-based hard alloy, sealing surface wear resistance, long service life;
    4. Large size disc adopts quilted frame structure, high strength, large flow area, small flow resistance;  
    5. Wafer triple offset butterfly valve with two-way sealing function, installation is not restricted by the flow of media, is not affected by the spatial position, can be installed in any direction;  
    6.The driving device can be multi-station (rotating 90° or 180°) installation, easy to use.  

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