Combination valve

Details Combination valve Combination valve

2006-03-13

2008-11-04

Lee, Kevin L (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S613000, C137S565010

Reexamination Certificate

active

07445025

ABSTRACT:
A valve assembly is disclosed. The valve assembly includes a valve body having an inlet opening, an outlet opening, and a flow passage extending therebetween. A check valve is disposed within the flow passage. A shutoff valve is disposed within the flow passage. A venturi is disposed within the flow passage between the check valve and the shutoff valve. A fluid system into which the valve assembly is installed is also disclosed.

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