Introduction and classification of elbows
1, the introduction of the elbow: In the pipeline system, the elbow is the pipe that changes the direction of the pipeline.
2, elbow classification:
According to the angle, there are three most commonly used 45° and 90°180°, and other abnormal angle elbows such as 60° are also included according to engineering needs. According to the material, there are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. According to the connection method, direct welding (the most common way) flange connection, hot melt connection, electrofusion connection, screw connection and socket connection.
The purpose of the elbow; that is, the object used when the pipe needs to turn, regardless of whether the pipe needs to travel in any direction, the elbow is used to change the direction