api5000API 6A Type 6B 5000 PSI Weld Neck & Blind Flanges Manufacturers & suppliers in India Hh pressure steel flange, forged flanges, API 6A Type 6B 5000 PSI Weld Neck & Blind Flanges’Obsolete’, ’discontinued’ or ’withdrawn’ API flanges have not been included in the above slide rule. Important note:- the above slide rule assumes ambient temperatures. Additionally, as