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ZSHWE/ZDRWE series three-eccentric butterfly valve plate and seal ring with a unique three-eccentric structure, with 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); Valve body diameter range DN80~1200(3 "~48"); Applicable fluid temperature range -60~+450℃; Multi-level sealing, two-way zero leakage; All metal hard seal, up to grade V leakage. The flow characteristic is approximately equal percentage.

















