Historical
ASME B16.34-2009
Valves -Flanged, Threaded, and Welding End
Applies to new construction and covers pressure-temperature ratings, dimensions, tolerances, materials, nondestructive examination requirements, testing, and marking for cast, forged, and fabricated flanged, threaded, and welding end and wafer or flangeless valves of steel, nickel-base alloys, and other alloys shown in Table 1.
American Society of Mechanical Engineers [asme]