Jones® large horizontal inlet by outlet meter setters are manufactured in accordance with all applicable parts of AWWA C800. Components in contact with potable water also comply with latest requirements of the Federal Safe Drinking Water Act. Every copper meter yoke is pressurized with air to assure there is no leakage. All styles are available with either integral M.I.P, integral F.I.P. or integral multi-purpose thread ends for sizes 5/8" thru 2". Copper meter yoke options include lock wing ball angle meter valve, lock wing ground key angle meter valves, ASSE-approved dual check valves, dual check valves (ASSE non-approved), top entry check valves, test valves, and a wide selection of end connections.