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  • Flange

  • Flange Multi-level Hard Seal Butterfly Valve

    Product model: D343W/H
    Nominal Path: DN40~2000mm
    Nominal pressure: PN0.6-4.0 MPa
    Applicable temperature: - 29 ~ 425 C
    Applicable media: water, steam, oil, etc.
    Valve body material: carbon steel, stainless steel
    Seat Material: Stainless Steel, Stellite Alloy, Tungsten Carbide, Nickel Alloy, Monel
    Valve plate material: carbon steel, stainless steel, alloy steel
    Connection mode: flange type
    Driving mode: worm gear drive, electric, pneumatic and hydraulic

    Performance characteristics

    1. Unique structure, small and portable, flexible operation, labor-saving and convenient

    2. Reliable seal, gas seal without leakage

    3. Flow characteristics tend to have the best linear regulation.

    4. Using the principle of three eccentricities, the sealing surface is nearly zero and the service life of the valve is prolonged.

    5. Wide range of applications. For example, it can be used in water, steam, oil, air, gas and other media.

    6. Suitable for different temperature and pressure grade below 6.4 MPa, corrosion resistance and other medium pipelines.