... Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange ... flanges ASTM A182 F1, F5a, F9, F11, F12, F22, F91 (4) Connection Type: Raised Face, Flat Face, Ring Type Joint, Lap ... Male-Female, Large Tongue & Groove, Small Tongue & Groove (5) Size: 1/2"_48(DN15_DN1200) (6) Wall Thickness/Pressure Reating: Sch10, Sch20, Sch30 ...