A threaded elbow (also known as a thread elbow) is a pipe fitting that changes the direction of a pipe in a piping system. According to the Angle, there are 45° and 90°, in addition, according to the needs of the project also includes 60° and other abnormal Angle elbow. Threaded elbow materials include cast iron, stainless steel, alloy steel, calcined cast iron, carbon steel, non-ferrous metal and plastic, etc.  

the threaded elbow is composed of a screw and a bending part. It is characterized by a threaded slot on the screw. In the pipeline system, the threaded elbow is a pipe fitting that changes the direction of the pipeline.  

the pressure of thread elbow is: the main manufacturing standards of 2000LB, 3000LB and 6000LB thread elbow are GB/T14383, ASME B16.11 and BS 3799