... ANSI certification 4.Seamless welded 45 degree elbow Purpose:Elbow are the pipe fitting Used ... elbow, card sleeve elbow,double bearing the bend, flange elbow, reducer elbow, tooth bend, stamping elbow inside andoutside screw, pushing elbow, socket elbow ,butt weld elbow,inside screw elbow. Our elbow ... equipments and inspection systems, mainly manufacture elbow, tee, reducer, cap, flange, cross, nipple, ...