... jointer, is widely used for wellhead assembly, X-mass tree and other well-control equipments. SpecificationsForged Flanges to Standard ANSI / ... API / AWWA / DIN / BS / JIS and etc, we can also produce as per user's special ... , Blind, Welding Neck, Threaded, Lapped, Orifice, Figure 8 Blind, Swivel and etc, we can produce as per buyers special requirements. API ...