... Standard: ANSI B16.5, B16.47 / API 605,6A,6B / DIN 2527,2528,2561,2565,2566,2573 / BS 4504 PN16,PN40 / GOST ... .) Standard: ANSI B16.5, B16.47 / API 605,6A,6B / DIN 2527,2528,2561,2565,2566,2573 / BS 4504 PN16,PN40 / GOST ... - 316,304,304L,316L,3.) Type: Welding Neck, Slip-On, Blind, Plate, Thread, Socket Welding , Long Welding Neck, Lap Joint, Wind ...