This controlvalve is a weir diaphragm valve and has created a clogging congestion point in the flow system that requires constant maintenance.
这个控制阀是一个堰式隔膜阀，在流体系统中形成一个堵塞点，需要经常进行维护。
2
When the temperature control knob to set a temperature, hot and cold water mixing valve through proportional control into the outlet, the outlet temperature is always constant.
当温度调节旋钮设定某一温度后，混水阀通过调节进入出水口的冷热水比例，使出水温度始终保持恒定。
3
According to the structure of servo mechanism on HD2se-ries pump, their functions have been analyzed. The structure and control process of constant power valve are mainly discussed.