Invention Grant
US08459609B2 Butterfly valve assembly incorporating a unitary shaft and butterfly plate valve element 失效
蝶阀组件结合了一体式轴和蝶板阀元件

Butterfly valve assembly incorporating a unitary shaft and butterfly plate valve element
Abstract:
A butterfly valve assembly includes a unitary flow body and a unitary valve element. The unitary valve element is rotationally mounted within the flow body and includes a rotationally mounted shaft and a butterfly plate that is formed integral to the shaft. The butterfly valve assembly can withstand the maximum drive torque supplied from an associated actuator, while at the same time meeting a desired level of flow performance, and allows the unitary valve element to be installed up through the pilot bore.
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