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  • Wafer Butterfly Valve
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    JIS Wafer Butterfly Valve

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

    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 Shaft without pin, Double shaft without pin

    TAG: , ,


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

    What is a JIS wafer butterfly valve?

    The wafer butterfly valve has simple structure, small size and light weight, it is only composed of a few parts. And just rotate 90 °to quickly open and close, the operation is simple, and the valve has good fluid control characteristics. When the butterfly valve is in a fully open position, the thickness of the disc is the only resistance when the medium flows through the valve body. Therefore, the pressure generated by the valve is small, so it has better flow control characteristics. The butterfly valve has two sealing types: elastic soft seal and metal seal. Elastic soft seal valve, seal ring can be inlaid on the body or attached to the disc around. It uses PTFE seal, chemical corrosion resistance, high temperature and high pressure resistance.

    Advantages of the JIS wafer butterfly valve:
    1.Good sealing performance
    The media force of the butterfly wrench on both sides of the shaft is almost equal, the direction of the torque is opposite. Opening and turning off the torque is small, under low pressure, it can achieve good sealing.
    2.Wide range of application
    The structure principle of the wafer hard seal butterfly valve is especially suitable for the manufacture of large diameter valves. It is not only widely used in petroleum, natural gas, chemical industry, water treatment and other general industries, but also used in thermal power station cooling water system.
    3.The whole body paint design
    The body is usually made of overall paint, which can effectively prevent oxidation and rust.
    4.Easy operation
    The structure of the wafer butterfly valve is usually relatively small, and it has small operation torque and more efficient operation.
    5.Ductile iron QT450-10 material
    The body and disc material is ductile iron QT450-10 material, spheroidization rate more than 3 levels, the body and disc tensile performance is stronger, mechanical performance can meet the standards.

    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 processquality control process quality control process quality control process


    WESDOM Group

    DN D D1 L A B N-Ø2 f F1 F2 F3
    100 220 180 M16 52 100 185 4-10 5 90 70 15.8
    125 250 210 M16 56 123 191 4-10 5 90 70 18.9
    150 285 240 M20 56 135 206 4-10 5 90 70 18.9
    200 340 295 M20 60 163 239 4-12 5 125 102 22.2
    250 395 350 M20 68 198 272 4-12 8 125 102 28.5
    300 445 400 M20 78 226 317 4-14 8 150 125 31.6
    350 505 460 M20 78 265 333 4-14 8 150 125 31.6
    400 565 515 M24 88 290 362 4-18 10 210 140 33


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