... S), STD,SCH 80(S) Welding Neck/ Plate/ Socket weld/ Threaded/ Lap Joint FlangeANSI B16.47 Series A/B ... Blind/Weld Neck Flanges2) DIN 2527 (PN6, PN10, PN16 PN25, PN40, ... 2636 PN64, DIN 2637 PN100 and DIN 2638 PN160 Weld Neck Flanges, DIN 2641 PN6 and DIN 2642 PN10 ... 20K, 30K (PL, SO, BL, TH, SW), JIS 30K Weld Neck Flanges6) AS2129 Table D/E/F/H Flanges7) GOST ...