What is the difference between a 90-degree elbow and a 45-degree elbow?

What is the difference between a 90-degree elbow and a 45-degree elbow?

• A. The material used for the elbow
• B. The radius of the bend
• C. The color code of the pipe
• D. The bend angle; 90° makes a right-angle turn, 45° makes a gentler turn

Answer: (D)

Elbows change the direction of a pipe run. The main difference between a 90-degree elbow and a 45-degree elbow is the bend angle. A 90-degree elbow makes a right-angle turn, a full quarter turn, while a 45-degree elbow makes a gentler turn by 45 degrees. Material or color code are separate attributes and don’t define the bend; the radius of the bend can vary independently, but the defining feature here is how much the pipe turns.

Elbows change the direction of a pipe run. The main difference between a 90-degree elbow and a 45-degree elbow is the bend angle. A 90-degree elbow makes a right-angle turn, a full quarter turn, while a 45-degree elbow makes a gentler turn by 45 degrees. Material or color code are separate attributes and don’t define the bend; the radius of the bend can vary independently, but the defining feature here is how much the pipe turns.