Annovi Reverberi is the number one agricultural diaphragm pumps manufacturer in the world. Our versatile pumps have been used in a multitude of applications for more than 5 decades in 85 countries worldwide. They are self-priming, with flows from 3.5 to 238 GPM and pressures up to 725 PSI, these pumps can feature the revolutionary AR BLUEFLEX diaphragms. BLUEFLEX is what we believe is the best performing diaphragm material currently available in the market.