A self-priming pump is designed to automatically remove air from its suction line and prime itself without needing external priming methods. This makes it highly reliable in situations where the pump may lose prime, such as intermittent flow or variable fluid levels. Self priming pumps are ideal for handling liquids in applications where the pump may not always be fully submerged or may experience air in the suction line.
In a self-priming pump, a small amount of liquid remains in the pump casing after operation. When the pump restarts, it uses this retained liquid to create a vacuum, which pulls fluid from the source into the pump.
This ability is particularly useful in applications where fluid levels fluctuate, or where the pump needs to restart frequently. Self-priming pumps are commonly used in industries such as wastewater treatment, chemical processing, and food and beverage, where consistent operation is critical. They are effective for handling both clean and solids-laden liquids, offering versatility and reliability.
Self priming is one of the advantages of air operated diaphragm pumps.
Learn More