General dimensions of our pipe flange types conform to MSS-SP-51. Dimensions of Bolt Hole and Circle Diameters correspond to ANSI B16.5. All ANSI 150 Flanges are identified with the manufacturer's trademark, Nominal Pipe Size, Material Grade, and Heat Number.
Flanges are available in Carbon Steel A105, 310, 317, 321, A-20, A400, A600, C276 among other alloys. Send inquiries to info@pipingnow.com
