Shanghai Rudi Diaphragm Pumps for Environmental Protection Industry,Diaphragm pumps are widely used in the environmental protection industry due to their versatility, efficiency, and ability to handle a range of fluids, including hazardous and corrosive substances. These pumps operate using a flexible diaphragm that moves back and forth, creating a suction force that draws liquid into the pump chamber and then forces it out through a discharge valve.