平衡閥是液體管道的流量控制閥。它的功能是方便、準確地調節流量，有效解決管道冷熱不均勻及水力不平衡問題系統。

The balance valve is a flow control valve for liquid pipelines. Its function is to regulate the flow conveniently and accurately, and effectively solve the 

problems of non-uniform cooling and heating and hydraulic imbalance in the pipelinesystem.