Standard: ANSI B16.5 Class:150, 300, 600, ... Ltd are profesional manufacturer of high quality Nickel Alloy flanges, used in various industry like Chemical, Aerospace, ... Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ANSI B16.5 FlangeClass:- 150, 300, 400, 600, 900, ... High temperature alloy GH600, GH3128, GH3030, GH2132, GH1140Our standard Flanges:- ANSI B16.5, B16.47- ASME B16.5, B16.47 ...