PRIMING VALVE SYSTEM FOR PRE-PRIMING CENTRIFUGAL PUMP INTAKES

摘要

A priming valve (18) that primes a centrifugal pump (14) includes a valve assembly (46) separating an inlet chamber (40) from an outlet chamber (42). The inlet chamber is fluidly coupled to an intake of the centrifugal pump and the outlet chamber is fluidly coupled to a priming pump (12). A control valve (36) is provided to operate the valve assembly in order to fluidly connect the inlet chamber with the outlet chamber. While the valve assembly fluidly connects the inlet chamber with the outlet chamber, the priming pump can operate to replace air in the intake and the centrifugal pump with water.