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    Pneumatic Wafer Butterfly Valve

    Size Range: 2~32"(DN50~DN800)

    Pressure: PN10, PN16, Class125

    Body Materials: Cast Iron, Ductile Iron, WCB , Stainless Steel, Bronze

    Seat Materials: NBR, EPDM, VITON, PTFE

    Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958

    Stem Materials: SS416, SS304, SS316

    End Connection: Wafer,Lug,Flange

    Operate: Pneumatic

    Acc: Acc: Limit switch, Solenoid valve, Positioner etc


    Categories

    Tel: +86-18539246853
    Fax: +86-371-55883235
    E-mail: weisidun@wsdvalve.com
    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:

    Single Eccentric Disc-Shaft

    Anti-Blow Out Stem

    Bi-Directional

    Fire safe Design

    Low Friction Body Seat

    Zero Leakage

    Standard Test :

    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

     

    SIZE  A B L ANSI 150B DIN PN 10 DIN PN 16 JIS 10K ISO 5211 TOP FLANGE
    mm in ΦK N-Φd ΦK N-Φd ΦK N-Φd ΦK N-Φd ΦD ΦD1 N-ΦG
    40 1.5″ 67 141 33 98.5 4-Φ16 110 4-Φ18 110 4-Φ18 105 4-Φ19 65 50 4-Φ8 F05
    50 2″ 67 141 43 120.6 4-Φ19 125 4-Φ18 125 4-Φ18 120 4-Φ19 65 50 4-Φ8 F05
    65 2.5″ 75 151 46 139.7 4-Φ19 145 4-Φ18 145 4-Φ18 140 4-Φ19 65 50 4-Φ8 F05
    80 3″ 95 160 46 152.4 4-Φ19 160 8-Φ18 160 8-Φ18 150 8-Φ19 65 50 4-Φ8 F05
    100 4″ 111 180 52 190.5 8-Φ19 180 8-Φ18 180 8-Φ18 175 8-Φ19 90 70 4-Φ10 F07
    125 5″ 129 193 56 215.9 8-Φ22.4 210 8-Φ18 210 8-Φ18 210 8-Φ23 90 70 4-Φ10 F07
    150 6″ 142 207 56 241.3 8-Φ22.4 240 8-Φ22 240 8-Φ22 240 8-Φ23 90 70 4-Φ10 F07
    200 8″ 170 240 60 298.4 8-Φ22.4 295 8-Φ22 295 12-Φ22 290 12-Φ23 125 102 4-Φ12 F10
    250 10″ 206 270 68 361.9 12-Φ25.4 350 12-Φ22 355 12-Φ26 355 12-Φ25 125 102 4-Φ12 F10
    300 12″ 238 316 78 431.8 12-Φ25.4 400 12-Φ22 410 12-Φ26 400 16-Φ25 125 102 4-Φ12 F10
    350 14″ 267 368 78 476.2 12-Φ28.4 460 16-Φ22 470 16-Φ26 445 16-Φ25 125 102 4-Φ12 F10
    400 16″ 298 400 86 539.7 16-Φ28.4 515 12-Φ26 525 16-Φ30 510 16-Φ27 175 140 4-Φ18 F14
    450 18″ 318 422 105 577.8 16-Φ31.8 565 20-Φ26 585 20-Φ30 565 20-Φ27 175 140 4-Φ18 F14
    500 20″ 349 479 130 635 20-Φ31.8 620 20-Φ26 650 20-Φ33 620 20-Φ27 175 140 4-Φ18 F14
    600 24″ 410 562 152 749.3 20-Φ35.1 725 20-Φ30 770 20-Φ36 730 24-Φ33 210 165 4-Φ22 F16

     

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