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1. 发明公开

EP0002600A1 Check valve structure 失效
标题翻译： Rückflussverhinderer。
公开(公告)号：EP0002600A1
公开(公告)日：1979-06-27
申请号：EP78300790.9
申请日：1978-12-11
申请人： Honeywell-Braukmann GmbH
发明人： Braukmann,Heinz,Werner , Rentzsch, Heinz, Dipl.-Ing.
IPC分类号： E03C1/10 , F16K15/06
CPC分类号： E03C1/106 , E03C1/108 , F16K15/063 , Y10T137/7842 , Y10T137/7929 , Y10T137/7932
摘要： A check valve assembly has a conduit section with an inlet 12 and an outlet 14 on a longitudinal axis thereof, and first and second check valves in the conduit section The check valves 30-50 respectively have first 32 and second 52 valve stems movable along a common axis mchned to the longitudinal axis, first 40 and second valve seats 60 and co-operating valve plates 42-56 perpendicular to the common axis and mounted on the valve stems. The first check valve is upstream of the second check valve, and the second valve seat has a larger diameter than the first valve seat. The first and second valve seats have portions located between the inlet and the outlet, and the first valve plate has a lift sufficient to enable fluid flowing from the inlet to the outlet, . when the valves are open, to flow past the portions of the valve seats in a substantially straight line from the inlet to the outlet. The conduit section has removable means for securing the check valves in position.
摘要翻译：止回阀组件具有在其纵向轴线上具有入口12和出口14以及导管部分中的第一和第二止回阀的管道部分。止回阀30-50分别具有第一阀32和第二阀52，阀杆沿着与纵向轴线倾斜的共同轴线移动，第一阀40和第二阀座60以及与公共轴线垂直的配合阀板42-56并安装在阀杆。第一止回阀位于第二止回阀的上游，第二阀座的直径大于第一阀座的直径。第一阀座和第二阀座具有位于入口和出口之间的部分，并且第一阀板具有足够的升力，以使流体能够在阀打开时从入口流到出口，以流过阀的部分座位从入口到出口基本上直线。管道部分具有用于将止回阀固定就位的可移除装置。

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