AGV manufacture 6B and 6BX flanges in various sizes & pressure ratings strictly to standards of API 6A. 6B flanges are ring joint type and are not designed for face-to-face make-up. Bolting force acts on the metallic ring gasket. With a standard design of through bolted or studded structure. This series will mainly covers Welding neck flanges, Blind flanges and Threaded flanges. While 6BX flanges are ring joint type, with BX Ring Gasket Grove and with raising face. 6BX flanges include Welding neck flanges, Blind flanges and Target flanges