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    Marine Worm Drive Wafer Butterfly Valve

    Size Range: 2~12"(DN50~DN300)

    Pressure: PN10, PN16, JIS5K,JIS10K,JIS16K

    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: With-pin, One stem no-pin, Double stem no-pin


    TAG: , ,

    Categories

    Tel: +86-13849184495
    Fax: +86-371-55883235
    E-mail: weisidun@wsdvalve.com
    Address: ZhengZhou,HeNan,China.

    Adoptive Standards:

    Valve Design: API 609,

    Face To Face: DIN3202, BS 5155,MSS SP-67,

    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.

    WESDOM  advantages

    1. WESDOM patent products, patent certification
    The product side flanges comply with national, German, Russian, American, British and Japanese standards and other domestic and international standards for multiple pressures, easy connection and wide adaptability, which can reduce the type of purchase and stock.

    2. The product has an independent identity to ensure traceability
    Each wesdom product has its own unique identification number, to ensure product traceability.

    3. Provide material inspection report
    All wesdom products can provide the material inspection report of the main parts.

    4. One-stop service
    One-stop service, we not only supply high quality products, also supply solutions and after-sales service.

    5. WESDOM has a lot of project experience
    We have a lot of project experience in countries such as Pakistan and the Philippines, WESDOM has always been noticed all over the world, and trust comes from quality.

    Quality control process

    quality control process quality control process quality control process

    Parameters

    Wafer Butterfly Valve

     

    DN A B H1 D D1 L M ØC
    100 100 185 223 220 180 52 M16 197
    125 123 191 223 250 210 56 M16 197
    150 135 206 223 285 240 56 M20 197
    200 163 239 273 340 295 60 M20 246
    250 198 272 273 395 350 68 M20 246
    300 226 317 290 415 400 78 M20 298

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    Inquiry

    WESDOM Group promise to reply within 24 hours.

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