... opening. From the standpoint of internal pressure and bolt loading, blind flanges, particularly in the larger sizes, are the most ... flange types; however, since the maximum stresses in a blind flange are bending stresses at the center, they can safely ... necessary.3,Types: Flat Face Flanges, Slip On, Welding Neck, Blind, Threaded , etc.4,Water , Oil, Gas, Industrial UsingDetailed DescriptionFeatures: ...