Trap guard device

Details Trap guard device Trap guard device

E - Fixed Constructions

03

C

E03C 1/28 (2006.01) E03F 5/042 (2006.01)

Patent

CA 2429950

A valve for use in a floor drain to prevent the backflow of fluids from the drain system. The valve includes a valve member and a collar. The first end of the valve member is mounted to the outer surface of the second portion of the collar. In the normal position, the sidewall of the valve member at the second end of the valve member is curled and the valve is in the closed position. When a preset amount of fluid pressure is provided through the collar to the first end of the valve member, the sidewall of the valve member flexes to an open position forming an inner passageway between the ends of the valve member.

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