タイトルまたは説明

Elbow is used to be installed between two lengths of pipe or tube allowing a change of direction, usually these elbows distinguished by connection ends, The ends may be machined for butt welding , threaded , or socketed , so the elbows are consist of butt weld, thread elbow.socket elbow and other ***** material is selected accoding to the application use such as high temperature use, sanitary fitting, regular industrial use etc.