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分析了平衡阀的特点，认为为改善液体管路系统的调节功能，用平衡阀取代截流孔板、闸阀及截止阀势在必行。阐述了平衡阀的选型原理，并以一个管路系统为例，说明了平衡阀的设计选型方法。
The characteristics of the balance valve are analyzed. It is imperative to improve the performance of the liquid piping system by replacing the orifice plate with the balance valve. The selection principle of balance valve is expounded. Taking a piping system as an example, the design method of balance valve is illustrated.