Patent ID: 6910495
Filing Date: 2005-06-28
Classification: E03B,E03C,F16K,Y02A,Y10T

Abstract:
1. A fire hydrant system, relating to protecting the purity of potable water systems from contamination from frangible-barrel-fire-hydrant use, comprising, in combination: a) at least one frangible barrel fire hydrant comprising b) wherein said at least one upper barrel body and said at least one water outlet chamber together comprise exactly one unitary-construction housing; c) at least one water-flowable channel extending from within said at least one upper barrel body, through said at least one water entry, and through said at least one water outlet chamber; and d) at least one backflow preventer situate within said exactly one unitary-construction housing; e) wherein said at least one backflow preventer is adapted to assist prevention of backflow of water through said at least one entry.