旋启式止回阀用于防止水平管路或垂直管路的流体倒流。
Swing check valves are used to prevent reversal of flow in horizontal or vertical pipe lines.
尼伯科铸铁阀体止回阀可以安装在水平管线或流向朝上的垂直管线中的任何位置上。
NIBCO Iron Body Check Valves may be installed in both horizontal and vertical lines with upward flow or in any intermediate position.
这使得我们的旋启式止回阀无论安装在水平管道还是垂直管道上，都能够实现完全的关闭。
This allows our swing check valve to close completely even when installed in a horizontal pipe run with no flow.
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