raised face Lap joint Flange 1.Size: 1/2"-24'' 2.Material: ... steel 3.Standard: ANSI B16.5,BS4504,JIS,DIN raised face Lap joint FlangeSpecifications1) Forging Stainless Steel Flange 2) ANSI B16 ... ) GOST 12820-80/GOST 12821-80 Flanges3.Sealing Surface: FF, RF, LJ, TG, MF, M and R.T.J. (RJ).other ... don't hesitate to contact us.Best RegardsMindy He raised face Lap joint Flange