Concepts of Self-Priming Pumps | Failure to Prime

In this demonstration, we’ll walk you through several scenarios of why your pump could be failing to prime. CHAPTERS 0:00 Concepts of Self-Priming Pumps | Failure to Prime 0:22 (1) Suction Line Air Leak 0:56 (2) Flap Valve Leak 1:27 (3) Entrained Air 1:41 (4) Excessive Face Clearance 1:58 (5) Blocked Impeller Eye 2:08 (6) Impeller Damage 2:18 (7) Improper Impeller Speed Stay connected with us: Facebook: LinkedIn: Instagram: Resources: Website: To find your manual and Pump Performance Curves, search your serial number: Watch the Glass-Faced Pump Intro Video: Watch other videos in the Concepts of Self-Priming Pumps Series: