Diaphragm Double Diaphram Air Operated AODD Pumps This type of positive displacement pump has diaphragms which pulse back and forth creating a consistant flow rate at varying pressures. Diaphragm pumps tend to have a pulsating flow stream. The Diaphragm pump like many other positive displacement pumps are selfpriming and often used for viscous liquids. Air Operated Diaphragm pumps are used for Metering, Plating, Self-Priming, Solvent, Slurry, Slush & Sludge, Sump, Chemical, Coolant, Drum, High Pressure
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