By-pass meter stop

Claim 1

A VALVE COMPRISING A VALVE BODY HAVING A CIRCULAR BORE FORMING A VALVE SEAT, A LATERAL INLET PORT IN SAID SEAT; A LATERAL BY-PASS PORT IN SAID SEAT COMMUNICATING WITH THE EXTERIOR OF SAID BODY AND SPACED CIRCUMFERENTIALLY FROM SAID SEAT INLET PORT; A PAIR OF ALIGNED INLET AND OUTLET PASSAGEWAYS EXTENDING AT AN ACUTE ANGLE TO THE AXIS OF SAID SEAT, SAID OUTLET PASSAGEWAY COMMUNICATING AT ITS INNER END WITH ONE END OF SAID BORE AND SAID INLET PASSAGEWAY COMMUNICATING AT ITS INNER END WITH SAID SEAT INLET PORT; A TUBULAR VALVE AND HAVING A CLOSED END, AN TO OPEN AND CLOSE THE VALVE AND HAVING A CLOSED END, AN OPEN AND COMMUNICATING WITH SAID OUTLET PASSAGEWAY, A LATERAL PLUG PORT REGISTERING WITH SAID SEAT INLET PORT IN THE OPEN POSITITION OF THE VALVE, SAID PASSAGEWAY SEAT INLET PORT, PLUG PORT AND PLUG OPEN END DEFINING A STRAIGHT FLOW WAY IN THE OPEN POSITION OF THE VALVE; A CIRCUMFERENTIALLY ELONGATED RECESS IN THE OUTER SURFACE OF SAID PLUG EXTENDING ON OPPOSITE SIDES OF SAID SEAT INLET PORT PROVIDING COMMUNICATION BETWEEN SAID SEAT PORTS IN THE CLOSED POSITION OF THE VALVE BUT INTERRUPTING SAID COMMUNICATION IS THE OPEN POSITION OF THE VALVE AND SO THAT AS THE PLUG IS TURNED FROM OPEN TO CLOSED POSITION COMMUNICATION IN ESTABLISHED BETWEEN SAID SEAT PORTS BEFORE THE VALVE IS CLOSED AND AS THE PLUG IS TURNED FROM THE CLOSED TO THE OPEN POSITION THE VALVE IS OPENED BEFORE SAID COMMUNICATION IS INTERRUPTED; A PLURALITY DISPOSED GROOVE IN THE OUTER SURFACE OF SAID PLUG ENCIRCLING BOTH SAID PLUG AND THE RADIAL PROJECTION OF THE CENTER OF SAID PLUG CLOSED PLANE PASSING BETWEEN SAID PLUG PORT AND SAID PLUG CLOSED END; A RESILIENT SEALING RING IN SAID GROOVE AND COMPRESSED RADIALLY BETWEEN THE BOTTOM THEREOF AND THE OPPOSED SURFACE OF SAID SEAT TO FORM A SEAL BETWEEN SAID SEAT AND SAID PLUG; SAID BORE OUTWARDLY OF SAID RING HAVING A RADIALLY ENLARGED SECTION OF A DIAMETER SUBSTANTIALLY AT LEAST AS LARGE AS THE DIAMETER DEFINED BY THE RADIAL PROJECTION OF SAID RING FROM SAID GROOVE WHEN UNCOMPRESSED AND A TAPERED SECTION SMOOTHLY MERGING SAID ENLARGED SECTION WITH SAID BORE SECTION; A CIRCUMFERENTIAL GROOVE IN THE WALL OF SAID ELARGED SECTION AND A SNAP RING MEANS IN THE WALL OF SAID ENLARGED SECTION AND LAPPING A SHOULDER ON SAID PLUT TO RETAIN THE LATTER IN SAID SEAT, WHEREBY IN ORDER TO ASSEMBLY SAID VALVE WITH SAID SNAP RING MEANS REMOVED AND WITH THE SEALING RING DISPOSED IN SAID PLUG GROOVE AND PROJECTING SLIGHTLY THEREFROM, SAID PLUG CAN BE INSERTED INTOTHE OPEN END OF SAID SEAT WITHOUT DAMAGE TO SAID PACKING RING IN ITS PASSAGE PAST SAID ENLARGED SECTION GROOVE.