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1·Wafer swing check valve is used to prevent media from flowing backwards in pipeline and device ;

对夹止回阀是用于防止管道和设备使用中介质倒流的一种 阀门；

2·This allows our swing check valve to close completely even when installed in a horizontal pipe run with no flow.

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。

3·Check them Safety Valves belonging to this type of valve, which includes Swing check valve and lift check valve.

其中止回阀就属于这种类型的阀门，它包括旋启式止回阀和升降式止回阀。

4·The swing check valve can also be mounted to the vertical position, provided the disc should not reach the valve position.

旋转式止回阀也可以安装在垂直位置，此时阀瓣应该无法达到阀门的位置。

5·Describe the structure characteristic and working principle of pressure seal swing check valve. Material selection and thrust ring design.

阐述了自压密封旋启式止回阀的结构特点、工作原理、材料选用和止推环设计。

6·Certain system configurations involving direct connection of a Swing Check Valve to other flanged equipment may require consideration of this bolt clearance.

某些系统配置，包括旋启式止回阀直接连接到其他法兰设备的场合可能要求考虑这种螺栓所需要的间隔。

7·Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.

旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。

8·Spring-actuated valve to be used on pump discharge. Swing check with outside lever and spring to be used on sump, sewage and storm drain lines.

弹簧执行机构止回阀用于管道排放。外置操作手柄和弹簧执行机构的旋启式止回阀用于污水坑、排污和雨水排泄管道。