将泵和阀组合成一体，并通过泵的旁通控制，使回路压力降至最低，从而减少管路及其泄漏。
Combine a body the pump and the valve, and through pump's by-pass governing, causes the return route pressure to drop to lowly, thus reduces the pipeline and divulging.
进入旁通管线的液体通过泵循环。
Fluid entering the by-pass line is recirculated through the pump.
为了避免螺杆泵损坏，一般会在螺杆泵出口处安装旁通溢流阀，用以稳定出口压力，保持泵的正常运转。
In order to avoid screw pump is damaged, usually installed in the screw pump bypass relief valve outlet to a stable outlet pressure, keep the pump running.
本文结合实例介绍了旁通定压和二级泵系统在高层建筑空调冷水系统中的合理应用。
Connecting with example this paper introduces the rational application of bypass pressure fixing and secondary pumping system in air conditioning s cooling water system of tall buildings.
在循环泵进出口之间设置带止回阀的旁通管。
And a by-pass pipe with check valve is set between the inlet and outlet of circulating pump.
本文介绍了旁通阀罗茨真空泵的结构特征、在使用中的作用。
In this paper, the structure feature of the Roots vacuum pump with by-way valve and its function in action are introduced.
为了解决钻井漏失在处理过程中遇到的架桥材料较大而无法通过钻井泵滤网和钻头的问题，设计了一种旁通式堵漏材料送入工具。
During the drilling leakage treatment, the bridging material cannot pass through the drilling pump and drill bit due to its larger size.
对于串联系统，则提出采用制冷机旁通、多级泵和变频泵的方法使系统配置更加合理。
Proposes methods such as by-pass with chiller, multi-grade pumps and variable speed pumps to optimize series ice storage systems.
对于串联系统，则提出采用制冷机旁通、多级泵和变频泵的方法使系统配置更加合理。
Proposes methods such as by-pass with chiller, multi-grade pumps and variable speed pumps to optimize series ice storage systems.
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