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发明公开
CN104455484A 蝶形阀布置 有权

蝶形阀布置
摘要：
本发明涉及蝶形阀布置，公开了一种带有壳体的蝶形阀，其具有定位在阀的壳体(10)内的旁路通路(14)。通路(14)在蝶形阀板(20)的任一侧从标准流路(12)延伸穿过阀，以便提供备选流路。空腔(16)定位于通路的末端之间。定位于空腔(16)中的阀头(30)构造和布置成能够在空腔(16)内在闭合位置与打开位置之间移动，在闭合位置，通路(14)的末端通过通路(14)流体地断开，在打开位置，通路(14)的末端通过通路(14)流体地连接。
摘要（英）：

A butterfly valve with a housing having a bypass passage (14) located within the housing (10) of the valve. The passage (14) extends from the normal flow path (12) through the valve, either side of the butterfly valve plate (20) so as to provide an alternative flow path. A cavity (16) is located between distal ends of the passage. A valve head (30), located in the cavity (16) is configured and arranged to be movable within the cavity (16) between a closed position in which, the distal ends of the passage (14) are fluidly disconnected through the passage (14) and an open position in which the distal ends of the passage (14) are fluidly connected through the passage (14).

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