en1092-1 type 11 welding neck flange, 1/2 inch TO 80 inch, ... ,E,F,H, JIS:5K,10K,16K,20K,30K· Face Type: F.F., R.F., R.T.J. Stangard ASME B16 ... B16.47 MSSSP-44 API605 EN1092 BS3293 ISO 15590-3 : Non standard Flange According to the drawing size/charting from dn15 to ...