This paper analyzes the cause for resistance loss and effective factors on the resistance ceoficient of bottom valve of water pump, and does quantitive experiment.
本文对水泵底阀阻力损失的机理和阻力系数的影响因素作了全面的分析，并作了定量的实验研究。
This paper introduces the drawing water principle and economic benefits of pump haven't bottom valve.
介绍水泵无底阀抽水原理及经济效益。
In order to water pump suction pipe, memory, import needs bottom valve pump working, bottom valve caused great losses.
为了在泵内存水，吸入管进口需要装底阀，泵工作时，底阀造成很大的水力损失。
Bottom valve is a energy saving valve, usually installed in the straw at the bottom of the underwater pump. Limit the liquid return pipe water pump, plays not only into the function.
底阀是一种节约能源的阀，一般安装在水泵水下吸管的底端。限制水泵管内液体返回水源，起着只进不出的功能。
The utility model discloses a negative pressure generator used by a water pump suction pipe without a bottom valve.
本实用新型公开了一种无底阀水泵吸水管用负压发生器。
The utility model discloses a negative pressure generator used by a water pump suction pipe without a bottom valve.
本实用新型公开了一种无底阀水泵吸水管用负压发生器。
应用推荐