... /4"---4" (DN8----DN400) Pressure Rate: 2000LB, 3000LB, 6000LB, 9000LB Hex head bushing Thread Type: 45/90/180LR&SR Elbow, Union, Tee ... , Cross, Outlet, Coupling, Half Coupling, Cap, Street Elbow, Nipple, Hex Plug, Busing, Square Plug Socket-Welding Type: 45/90/180 ...