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 FlangesIn the API 5000™ system, we use the same proven principle of collisional focusing in the hh pressure region directly behind the orifice. The QJet ion guide desn allows the free jet to