Multiple drain trap primer valve assembly for sewer lines

Details Multiple drain trap primer valve assembly for sewer lines Multiple drain trap primer valve assembly for sewer lines

1992-12-14

1993-10-19

Rivell, John

Fluid handling

With liquid valves or liquid trap seals

Liquid seal in liquid flow line; flow liquid forms seal

137561A, 13762412, 137360, E03C 1296

Patent

active

052536700

ABSTRACT:
A multiple drain trap primer valve assembly. The assembly comprises a plumbing conduit system including a house line 10 carrying water under pressure and a plurality of branch lines 12 each serving the drain trap 14 of a particular plumbing fixture. A manifold 26 having multiple discharge openings is connected into the house line. Coupling means 30 couple the branch lines to the manifold, one to each opening. Each coupling means includes a flow orifice 44 of size predetermined to equalize the flow of priming water to the branch line. Time-clock controlled valve means 20 is positioned in the house line to open it to the flow of water at predetermined time intervals.

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