Union Elbow

union elbow

Union Elbow

A union elbow is a specific type of pipe or tube fitting that combines the features of a union and an elbow. This fitting allows easy disassembly and reassembly of a piping or tubing system while incorporating an elbow, which changes the flow direction. Union elbows are commonly used in various industries, including plumbing, HVAC (heating, ventilation, and air conditioning), and fluid processing systems.

Connects Fractional Tube

union elbow size

Components

Nut: Like a standard union, a union elbow includes a nut that is threaded and used to secure the fitting.
Body or Coupling: The body of the union elbow contains the internal components necessary for creating a secure and leak-proof connection between two pipes or tubes.
Elbow: The elbow portion of the fitting allows for a change in the direction of the piping system. This can be a 90-degree elbow, providing a right-angle turn or other angles depending on the design.
O-Ring or Gasket: Similar to a standard union, a union elbow may include an O-ring or gasket to ensure a tight seal between the connected pipes or tubes.

Types

90-Degree Union Elbow: This union elbow provides a right-angle turn in the piping system.
45-Degree Union Elbow: Some applications may require a less abrupt change in direction, and a 45-degree union elbow is used for a milder bend.

Installation

Cutting and Preparing Pipes: Cut the pipes to the desired lengths and prepare the ends for connection.
Assembling the Union Elbow: Slide the nut over one end of the pipe, insert the tube into one side of the union elbow, do the same for the other line and the other side of the elbow, and then thread the nuts onto the fittings.
Tightening: Use appropriate tools to tighten the nuts securely, ensuring a leak-proof and stable connection.

Considerations

Material Compatibility: Make sure that the materials of the union elbow are compatible with the substances flowing through the piping system.
Application: Consider factors such as pressure, temperature, and the nature of the fluid or gas when selecting a union elbow for a specific application.

Connects Metric Tube

union elbow size detail

Note 👍 Union elbows provide flexibility in designing and maintaining piping systems, allowing for changes in direction without the need for complex installations or welding.
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