Patent ID: 7152621

Claim:
A flow control valve assembly comprising: a housing defining a valve interior and including a first port corresponding to a main inlet and a second port corresponding to a secondary inlet, an outlet longitudinally spaced from said first and second ports, and a valve stem orifice, said housing further comprising a wing stop disposed on an external surface of the housing adjacent the valve stem orifice; a stem pipe mounted to the housing at the first port, the stem pipe oriented perpendicular to a longitudinal axis of the housing and adapted to mate with the outlet of a gas meter, and a loop pipe rigidly connected to the stem pipe and adapted to mate with housing main inlet, where the housing stem pipe and loop pipe are fabricated as a single unitary structure; a poppet seated in the valve interior adjacent the first and second ports and adapted for rotation to first, second, and third predefined angular positions, the poppet occluding the second port when the poppet is rotated to the first angular position, occluding the first port when the poppet is rotated to the second angular position, and occluding both the first port and the second port when the poppet is rotated to the third angular position; and a valve stem partially disposed within the housing at the valve stem orifice and mounted for rotation about a longitudinal axis, the valve stem coupled to the poppet for rotating the poppet to a selected one of the first, second, and third predefined angular positions, the valve stem further comprising a lever arm extending traverse with respect to the longitudinal axis of the valve stem, the lever arm adapted to carry a locking member substantially at a distal end; wherein the carrying of the locking member by the lever arm results in an interference between the locking member and the wing stop on the housing to preclude rotation of the valve stem and fix the poppet in the third angular position, thereby preventing flow into the valve through the main port and secondary port.