Patent ID: 8047224
Filing Date: 2011-11-01
Classification: F16K,Y10T

Abstract:
1. A cartridge insert valve to prevent excess flow through a pipe segment of an existing piping system, wherein the cartridge insert valve is positioned in one end of the pipe segment, the cartridge insert valve comprising: (a) a cylindrical housing; (b) an inlet cap with an inlet opening defined therein, wherein the inlet cap is positioned on a cylindrical housing first end; (c) a seat cap with an opening defined therein, wherein the seat cap is positioned on a cylindrical housing second end opposite the cylindrical housing first end; and (d) a piston assembly that shuts off flow through the valve in response to excess flow through the valve, wherein the piston assembly is located in the cylindrical housing, and wherein the cartridge insert valve is located inside the pipe segment such that a fluid flowing through the pipe segment enters the inlet cap opening, flows through the cylindrical housing and exits the seat cap opening.