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Product information
ZSHWB/ZDRWB series double eccentric butterfly valve (referred to as high performance butterfly valve) valve plate and seal ring with a unique eccentric structure, with a compact structure, good cutting performance, long service life and other characteristics, both adjustment and cutting off two functions. Widely used in chemical, electric power, textile, food, medicine, paper and other industrial departments and municipal engineering, water plants and other pipelines to tap water, sewage, oil liquid or air, gas, natural gas, water vapor media cut-off or regulation flow control.
Nominal pressure grades of this series of products are PN(MPa)0.6, 1.0, 1.6, 4.0(150lb, 300lb); Applicable fluid temperature -60~+450℃; The sealing grade of the metal seal type is Ⅳ, and the soft seal type is V, with zero leakage; The flow characteristic is approximately equal percentage.
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