Patent ID: 6546946
Filing Date: 2003-04-15
Classification: E03B,F16K,Y10T

Abstract:
A double check valve, reduced-pressure backflow preventor assembly comprising:a single housing having an in-line axis and defining an inlet opening having a first inlet direction and an outlet opening having a second outlet direction, coaxial with said first inlet direction; first and second serially-connected check valves respectively defining first and second check valve movement axes wherein said first and second check valve movement axes define first and second angles, respectively, with respect to said in-line axis, each of said first and second angles being substantially greater than 45Â°; and a first stop valve between said inlet opening and said first check valve; and a second stop valve between said second check valve and said outlet opening, wherein said single housing substantially encloses said first and said second check valve and said first and second stop valves.