BB,os&Y structure
Flanged or butt-welded end
Manufacture and design:API 6D or API 600 BS1414
Face-to-face:ANSI B 16.10
Flange dimensions:ANSI B 16.5/16.47, JIS B2212-2213

DIN2543-2545
Butt-welded end dimensions:ANSI 16.25
Inspection and test:API 6D or API 598
Nps:2"-30"

Pressure:150Lb-2500Lb
Materials:WCB.WCC.LCB.LCC.WC6.WC9.C5.CF8.CF8M.CF3.CF3M.CF8C.