... Steel Flange long neck flange(1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange ... , Sch XS , Sch80, Sch100,Sch120, Sch140 Sch160 , Sch XXS, Class 150, 300, 600, 900, 1500, 2000, 3000, 6000, 9000 LBS(7 ...