可以实现不同管道之间的合流、分流与换向；大大减少了阀门安装数量，阀体与阀盖采用分体式设计，便于后期统一维护。

Can achieve convergence, diversion, and reversal between different pipelines; Significantly reducing the number of valves installed, the valve body and valve cover adopt a separate design, which is convenient for unified maintenance in the later stage.