Diaphragm pump Vs centrifugal pump
Что такое диафрагменный насос? A diaphragm pump is a type of positive displacement pump. It is also called an operated double diaphragm (АОДД) насос. Как подсказывает название, this pump operates by use of compressed air. It is designed with a pneumatic valve meant to direct air back and forth on the two sides …