出口阀 meaning in English

ausgangsventil
outlet valve

The centrifugal pump for oilfield waterflooding and oil transfer worked with low pump efficiency owing to unstable load and its energy loss is fairly large
油田注水集输系统离心泵由于载荷经常变化，大多不能在其额定工况点工作，泵效低，且需要用泵出口阀调节流量，产生一定的泵管压差，造成较大的能量损失。
When the pressure in the tank is balanced with the atmospheric pressure , the exhalation valve flap of the respiration valve is closely cooperate with the exhalation outlet valve seat , the inhalation valve flap is closely cooperate with the inhalation outlet valve seat
当储罐内压力与大气压力平衡时，呼吸阀呼出阀瓣与呼出口阀座严密配合，吸入阀瓣与吸入口阀座严密配合。