Patent ID: 9482366
Filing Date: 2016-11-01
CPC Classification: F04D,F16K,Y10T

Claim Text:
1. A cap for cooperating with a flow control element of a valve for a self-priming electric pump, said valve being designed to open and close a recirculation duct for a passage of a recirculating fluid from an impeller assembly to an intake duct, wherein said cap has a tubular body and, coaxially inside the latter, a mushroom-shaped element, which divides, with its head, said cap into a first portion and a second portion to be applied with engagement means at an opening of said recirculation duct outward, respectively in the overhead and underhead installation of said self-priming electric pump, an axial space occupation of said head and of a stem of said mushroom-shaped element that is extended from said head toward said second portion defining two alternative axial positions of interaction with the flow control element of said valve in the overhead and underhead installation.