SOTERA MEMBRANE PUMPS Sotera air-operated double diaphragm chemical PUMPS are unique. Used are patented non-centering ceramic air valve, special diaphragms, threat connections in assembly. This gives : - 15% more flow - 20% more efficient - 66% less pulsation - 67% fewer pump parts Sotera membrane pump is used for pumping of abrasive and viscosic liquids, chemicals, oils and fuels, paints and solvents, etc |