Specification for double regulating globe valves and flow measurement devices for heating and chilled water systems|Screw-down valves, Copper alloys, Design, Testing conditions, Valves, Marking, Orifice flowmeters, Cold-water supply systems, Flow regulators, Steels, Double, Water valves, Symbols, Hot-water supply systems, Accuracy, Ratings, Size classification, Cast-iron, Water supply and waste systems (buildings), Performance, Flowmeters, Flow coefficient, Water supply (buildings), Liquid valves, Pipe fittings, Performance testing, Flow measurement, Dimensions, Temperature, Pressure, Flow rates, Test equipment, Fluid equipment, Type testing