Standard: ASME B16.5 Class:150, 300, 600, 900, 1500, 2500 Size: 1 ... Marine, Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ASME B16.5 FlangeClass:- 150, 300, 400, 600, 900, 1500, 2500Size:- ... GH3128, GH3030, GH2132, GH1140Our standard Flanges:- ANSI B16.5, B16.47- ASME B16.5, B16.47- JIS B2220- BS10, BS3293, BS4504- ... : +86-577-8588-8633Website: www.chinachaowei.com ASME B16.5 Flange