... WP304, 304L, 316, 316L, 310, etc. 6. Flange Executive Standards: ANSI/ASME B16.5, DIN, JIS, GB, ASTM, JB, API 7. Tee Surface Treatment ... 1/2" NB TO 48" NB 2.DIN FLANGESStandard: DIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642, DIN2655,DIN2656,DIN2627,DIN2628,DIN2629 ... GRADE: 6Bar,10Bar,16Bar,25Bar,40Bar SIZE: DN10-DN10003.JIS B2220 FLANGESTypes:Sop type; Soh type; Plate Flanges; Blind FlangesPressure ...