Gas Research Institute

Richard Topping

Richard E Hoffman

Paul R Belkus

Tom W Nelson

Marie L Murville

A connector set adapted for releasably connecting a gas conduit from a gas appliance or the like to a gas line to provide gas to the appliance. The connector set comprises a nipple adapted to be connected to the gas conduit and a receptacle adapted to be connected to the gas line. The receptacle has a socket adapted to receive the nipple, and first and second valves. The valves are each operable between an open position and a closed position and arranged so that gas can pass from the gas line to the socket only when both valves are in their open positions. The receptacle further includes a mechanism for operating the second valve as the first valve is operated so that the second valve opens when the first valve opens and closes when the first valve closes. The first valve is operable only when the nipple is in the socket, and the nipple is removable from the socket only when the first valve is in its closed position.

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Framingham, MA, United States of America

Richard Topping