DN15-2000 BW elbow ASTM A234 WPB
Concept of BW elbow
In the pipeline system, the elbow is a pipe fitting that changes the direction of the pipeline. According to the angle, there are three most commonly used ones: 45° and 90°180°, and other abnormal angle elbows such as 60° are also included according to engineering needs.
Elbow materials include cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. The ways to connect with the pipe are: direct welding (the most commonly used way) flange connection, hot-melt connection, electric fusion connection, thread connection and socket connection, etc. According to the production process, it can be divided into: welding elbow, stamping elbow, push elbow, casting elbow, butt welding elbow, etc. Other names: 90-degree elbow, right-angle bend, love and bend, etc.