Steel Pipe Flanges and Flanged Fittings from NPS 1/2 to NPS 24 inch in pressure classes 150 to 2500 in the ASME B16.5 standard. It includes pressure ratings, dimensions, materials, marking, testing, and methods for designing pipe flanges and flanged fittings openings. You can know about b16.47 series b flange dimensions.All Rights Reserved