... and other well-control equipments. SpecificationsForged Flanges to Standard ANSI /API / AWWA / DIN / BS / JIS and etc, we can also produce ... 150-2500 ANSI B16.47 26-60 CLASS 75-900 API 6A 1-13/16-30 CLASS 2000-20000 AWWA C207 4 ... , Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 Blind, Swivel and etc, we can produce as per buyers special requirements. API 6A Flanges