Reducing Union

A reducing union is a pipe or tube fitting designed to connect two pipes or tubes of different sizes, allowing for a change in diameter within a piping system. This fitting is commonly used in various applications to adapt or transition between pipe or tube sizes.

Connects Fractional Tube

Components

Nut: The nut is threaded and used to secure the fitting, typically on both sides of the union.
Body or Coupling: The body of the reducing union contains the internal components necessary for creating secure and leak-proof connections between pipes or tubes of different sizes.
O-Ring or Gasket: A reducing union may include an O-ring or gasket to ensure a tight seal between the connected pipes or tubes.

Installation

Cutting and Preparing Pipes: Cut the pipes to the desired lengths and prepare the ends for connection.
Assembling the Reducing Union: Slide the nuts over the ends of the tubes, insert the lines into the appropriate openings on the reducing union, and then thread the nuts onto the fittings.
Tightening: Use proper tools to tighten the nuts securely, ensuring a leak-proof and stable connection.

Considerations

Material Compatibility: Ensure that the materials of the reducing union 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 reducing union for a specific application.

Types

Male-Female Reducing Union: One side of the fitting has external threads (male), and the other has internal lines (female). This type is commonly used when connecting to a threaded component on one side.
Double Female Reducing Union: Both sides of the fitting have internal threads (female). This type is suitable for connecting members with external lines on both sides.

Benefits

Adaptation: Reducing unions allows for the transformation between different pipe or tube sizes within a system.
Flexibility: They provide flexibility in designing and modifying piping systems, especially when transitioning from one size to another.

Connects Metric Tube

Note 👍 Reducing unions is an essential component in piping systems where a change in diameter is required.