ASME B16.5-2017
Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
standard by ASME International, 10/31/2017
Full Description
ASME B16.5 - one of ASME's more popular standards -- covers pipe flanges and flanged fittings for flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24; plus flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12.