... pressure balance spool；压力平衡滑阀 pressure balance valve；压力平衡阀 pressure buildup；压力的建立[增强] ...
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dynamic pressure balance valve 动态压差平衡阀
balance pressure reducing valve 均衡降低压力阀 ; 平衡减压阀 ; 均衡减压阀 ; 平衡减压
Discussed the pump pressure, installation of the balance valve and the design effectiveness of reversed return water system.
对水泵压力、平衡阀的设置、系统同程设计的有效性等作了初步的讨论。
Working principle: when the internal piping and tank vacuum, atmospheric pressure will be the valve cover, air enters the system, balance the system pressure, eliminate the effect of vacuum.
工作原理：当管道和水箱内部形成真空时，大气压便会顶开阀盖，大气进入系统内部，平衡系统压力，消除真空影响。
The balance extension tube functions to retain balanced pressure in front and at the back of the cleaner prior to the opening of the valve to prevent it from impacting the valve core.
发球筒平衡接管的作用是在通球初始时，出球接口端的阀门未开启前使清管器在发球筒中处于前后压力平衡，不能撞向阀芯。
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