Patent ID: 7273069

Claim:
A valve apparatus within a gas line of a pressurized system for limiting pressure loss in a gas source comprising: a) a housing member; b) said housing member being within said gas line of said pressurized system, said gas line connected to said gas source; c) the housing member incorporating a pressure regulator; d) said pressure regulator terminating gas flow through said housing member from said gas source when pressure within said pressurized system drops below about 75 psi as a warning to a user in order to prevent the pressure to drop below 59 psi; and e) said housing member having an ingress nipple on one end having exterior threads for attached to said gas line with interior pipe threads, a nipple regulator coupling between said ingress nipple and said housing member having male pipe threads diametrically sized for mating to said nipple regulator coupling, said housing member having a receptacle with female pipe threads on an opposing end thereof, a reducer bushing housing having a bore with exterior pipe threads on one end diametrically sized for engaging said housing member female receptacle threads, said reducer bushing having a receptacle on an opposing end with female pipe threads, a shutoff valve having a nipple on one end with exterior male pipe threads diametrically sized to mate with the reducer bushing female receptacle, and a main feedline nipple on an opposite end of said shutoff valve having exterior male threads for attached to said gas line, said shutoff valve incorporating a manually operated shutoff ball valve and a means for preventing backflow in said gas line.