Reference standards of Steel Flanges Spread the love Reference standards ASME B16.5 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 ASME B16.47 Large Diameter Steel Flanges: NPS 26 Through NPS 60 ASME B16.48 Line blanks ASME B16.36 Orifice Flanges
