what is elbow in pipe fitting

Elbows in pipe fittings refer to a type of piping component used to change the direction of a pipe. It is designed to allow the flow of fluid or gas to change direction smoothly, usually at 90 degree angles or other angles such as 45 degrees or 22.5 degrees. Elbows are commonly used in a variety of industries, including plumbing, HVAC (heating, ventilation, and air conditioning), oil and gas, water treatment, and industrial processes.

Elbows are available in different materials such as steel, stainless steel, brass, copper, PVC (polyvinyl chloride) and others, depending on the specific application and required properties. For example, steel elbows are often used in industrial settings where high strength and durability are required, while PVC elbows are commonly used in plumbing and water distribution systems due to their lightweight and corrosion-resistant properties.

Elbows are available in various configurations to suit different requirements:

90 Degree Elbows: These elbows create a sharp 90 degree turn in the pipe, changing the flow direction to be perpendicular to the original direction.

90 Degree Elbows

45 Degree Elbows: These elbows create a 45 degree turn, allowing for a smoother change in flow direction than 90 degree elbows.

45 Degree Elbows

22.5 Degree Elbows: These elbows create a gentler 22.5 degree turn for applications requiring gradual changes in direction.

Elbows can have different end connections such as threaded, socket weld or butt weld ends, allowing them to be easily connected to other pipe fittings or components. Proper installation of elbows is critical to ensuring efficient fluid flow and avoiding pressure drop or turbulence in the piping.

Elbows in pipe fittings are key components used to change the direction of flow in a pipeline, providing a smooth transition for fluid or gas to bypass obstacles or change the flow direction as required by the system design.

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https://www.youtube.com/watch?v=RO7-xIos2_E&t=3s 

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