F - Mech Eng,Light,Heat,Weapons – 17 – C
Patent
F - Mech Eng,Light,Heat,Weapons
17
C
F17C 13/04 (2006.01) F16L 41/02 (2006.01) F17C 13/02 (2006.01) F17D 1/04 (2006.01) F17D 5/02 (2006.01)
Patent
CA 2704839
A gas delivery system for propane or natural gas includes a gas service line, a pressure regulator connected in the gas service line, and a flow control valve device permanently installed at a predetermined location in the gas service line, e.g., upstream of the regulator or downstream of a gas meter in the case of a natural gas system. The flow control valve device includes a valve body incorporating an integral pressure tap for enabling a measurement of gas pressure at the predetermined locations. The valve device also includes a valve operator having an open position in which flow takes place through the valve device and a closed position in which flow through the valve device is blocked and a locking mechanism with a specialized key issued only to service personnel for selectively locking the valve operator in the open and closed positions.
Shaw Jimmie B.
Young Thomas W.
Battison Williams Dupuis
Presto-Tap Llc
LandOfFree
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