A high efficient rubber membrane valve was made, and double-chambered PZT pump with high output capability was designed and fabricated.
选取了一种高效的橡胶薄膜阀片，设计并制作了具有较高输出能力的双腔泵样机。
2
Rubber ball cleaning device of condenser is composed of second filter net, ball screen, ball collector, rubber feeding pump, distributor, valve, and electric control box.