Description

Elbow is a common connection pipe in plumbing installation, which is used for the connection at the bend of the pipe, and is used to change the direction of the pipe. 
Other names: 90 °elbow, right angle bend, love bend, stamping elbow, pressing elbow, mechanism elbow, welding elbow, etc. 
Purpose: connect two pipes with the same or different nominal diameter to make 90 °, 45 °, 180 °and various degrees of turning. 
When the bending radius is less than 1.5 times of the pipe diameter, it belongs to the elbow, and more than 1.5 times of the pipe diameter belongs to the bend