Standard: ASMEB16.47, B16.5 Class:150, 300, 600, 900, 1500, 2500 Size: 1/2" - 60" ... , Marine, Petrochemical, Energy, Nuclear, Automotive, Military, and so on..ASME FlangeClass:- 150, 300, 600, 900, 1500, 3000Size:- 1/2" - 60" ... , GH2132, GH1140Our standard Flanges:- ANSI B16.5, B16.47- ASME B16.5, B16.47- JIS B2220- BS10, BS3293, BS4504- ... Fax: +86-577-8588-8633Website: www.chinachaowei.com ASME Flange