SANITARY METAL TUBING FOR USE PRINCIPALLY IN THE DAIRY, FOOD AND CHEMICAL INDUSTRIES; PIPE SUPPORTS SANITARY LIQUID VALVES FOR USE PRINCIPALLY IN THE DAIRY, FOOD AND CHEMICAL INDUSTRIES; AND FABRICATED METAL PIPE FITTINGS-NAMELY, ELBOWS, LATERALS, T'S, Y'S, CROSSES, REDUCERS, CAPS, THREADED ADAPTERS, FERRULES, UNION NUTS, AND RETURN BENDS