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    Wafer Butterfly Valve PTFE Sealing

    Size Range: 2~8"(DN50~DN200)

    Pressure: PN10, PN16, Class150

    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

    Operate: Manual, Worm gear, Pneumatic, Electric-Motorized

    Disc type: Double half shaft without pin


    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 C L ANSI 150B DIN PN 10 DIN PN 16 JIS 10K ISO  5211 Top Flange
    mm in øK N-ød øK N-ød øK N-ød øK N-ød øD øD1 N-øG
    40 1.5″ 67 141 32 33 98.5 4-ø16 110 4-ø18 110 4-ø18 105 4-ø19 65 50 4-ø8 F05
    50 2″ 67 141 32 43 120.6 4-ø19 125 4-ø18 125 4-ø18 120 4-ø19 65 50 4-ø8 F05
    65 2½” 75 151 32 46 139.7 4-ø19 145 4-ø18 145 4-ø18 140 4-ø19 65 50 4-ø8 F05
    80 3″ 95 160 32 46 152.4 4-ø19 160 8-ø18 160 8-ø18 150 8-ø19 65 50 4-ø8 F05
    100 4″ 111 180 32 52 190.5 8-ø19 180 8-ø18 180 8-ø18 175 8-ø19 90 70 4-ø10 F07
    125 5″ 129 193 32 56 215.9 8-ø22.4 210 8-ø18 210 8-ø18 210 8-ø23 90 70 4-ø10 F07
    150 6″ 142 207 32 56 241.3 8-ø22.4 240 8-ø22 240 8-ø22 240 8-ø23 90 70 4-ø10 F07
    200 8″ 170 240 45 60 298.4 8-ø22.4 295 8-ø22 295 12-ø22 290 12-ø23 125 102 4-ø12 F10
    250 10″ 206 270 45 68 361.9 12-ø25.4 350 12-ø22 355 12-ø26 355 12-ø25 125 102 4-ø12 F10
    300 12″ 238 316 45 78 431.8 12-ø25.4 400 12-ø22 410 12-ø26 400 16-ø25 125 102 4-ø12 F10

     

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