How You Can Turn a Centrifugal Pump into a Self-Priming Pump? Into a Self-Priming Pump for those who have a centrifugal pump and are sick and tired of constant priming, you will love the idea of converting it. Self-Priming Pumps are created to pull water within the consumption pipe in to the pump impeller, making them ideal for pumping liquids with a high air-to ratio-liquid. Let us look into...