... Valve Lines: Elbow, Tee, Reducing Tee, Cross; Elbow System: 45 deg short elbow, 45 deg long elbow, 90 deg short elbow, 90 deg long elbow; Welding Short ... , Concentric Reducer, Eccentric Reducer , Elbow , Clamp Elbow , Weld Elbow , Threaded Elbow ,Tee ,Clamp Tee ,Weld Tee , Threaded Tee , Cross , Clamp Cross , Weld Cross , Threaded Cross , Concentric Reducer , Eccentric ...