... , Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice Flange, Swivel Flange, Spectacle Blind,Etc.StandardANSI ... print, oil or zinc.PackingPlywood caseDeliveryUsually within one month after receiving the formal order .Inspection ... 36 : (ORIFICE FLANGES) WELDING NECK FLANGE, SLIPON FLANGE, THREADED FLANGE.Pressure Class :300, 400 , 600 , 900, ... design are warmly welcome. Threaded Stub End Flange