LR, SR, Reducing and Mitered
Among all of the fittings, elbow is the one most often used.
Elbow is used when a pipe changes direction, they can turn up, turn down, turn left, right, or any angle in between.
Elbows can be classified as one of the following:
• 90° Elbow
• 45° Elbow
• 180° Return
• Reducing Elbow
• Mitered Elbow