Hydraulic Large Diameter Double Eccentricl Butterfly Valve

Hydraulic double eccentric metal hard seal butterfly valve. The double eccentric design avoids scraping between disc and seat, extends service life. Widely used in large-diameter water conservancy and flue gas pipelines.

Manufacturing Range

    Size: DN300~DN2400

    Pressure: PN6 / PN10 / PN16 / PN25

    Body: WCB / CF8 / CF8M

    Seal: Metal hard seal

    Operation: Hydraulic actuator

    End connection: Flanged

    Temp range: -29℃ ~ 425℃


Design Features

    Double eccentric structure, reduce friction between disc and seat while opening

    Metal hard sealing, good tightness, wear-resistant

    Hydraulic actuator, large torque, run smoothly for super large DN

    WCB cast steel body, high rigidity, stable under heavy load

    Suitable for water conservancy, water supply, sewage, flue gas pipeline


Design Standards

    Design & Manufacture: GB/T 3036, API 609

    Pressure Test: GB/T 13927, API 598

    Flange: GB/T 9113 / ASME B16.5