What is the name for a fitting that facilitates flow from one pipe to another at an angle?

• A. Coupling
• B. Elbow
• C. Reducer
• D. Saddle

Answer: (B)

The fitting that facilitates flow from one pipe to another at an angle is called an elbow. Elbows are specifically designed to change the direction of flow in a piping system, typically at angles such as 90 degrees or 45 degrees. This allows for efficient routing of pipes, especially in tight spaces or when a specific layout is required.

The elbow fitting is an integral component in plumbing and piping systems because it helps to navigate around obstacles and can be used to create various configurations in a system. Its design ensures that the flow continues smoothly through the pipe system, minimizing turbulence and ensuring efficient transport of fluids.

Other fitting types have different functions. For instance, a coupling is used to connect two straight sections of pipes end-to-end, while a reducer is designed to connect pipes of different diameters, and a saddle is typically used to branch off from an existing pipe without cutting into it. These fittings serve their purposes but do not facilitate flow at an angle like an elbow does.