... /2617, JIS2311/2312/2313, GOST17375/17376/17378/17379, EN10253-1, EN10253-2CertificationISO9001:2008ApplicationWater, oil, gas and chemical industryPackingseaworthy package, ... /2635, DIN2565/2566, DIN2527, DIN2641/2642, JIS B2220, EN1092-1:2007, GOST12820, GOST12821, BS4504, BS10 TABLE D, BS10 TABLE ... by clients ASME B16.5/ASME B16.47 SERIES A/ASME B16.47 SERIES B LAP JOINT FLANGE THREADED FLANGE en1092 ...