ThePipingMart Blog other Swage Nipples vs Reducers – What’s the Difference

Swage Nipples vs Reducers – What’s the Difference

Swage Nipples vs Reducer

When it comes to piping systems, many components make up their infrastructure. Two essential components that you will encounter are Swage Nipples and Reducers. These components serve different purposes, but they can also be easily confused with each other. In this blog post, we’ll discuss their differences and provide you with a better understanding of which component to use for specific piping applications.

What is Swage Nipples?

Swage nipples are short pipe pieces used for connecting two pipes or fittings. They feature an external taper on the end, designed to be fitted into a matching internally tapered fitting, such as another pipe, elbow, or tee. This connection method provides a secure and reliable seal between the two components and allows them to be disconnected if needed.

What is Reducers?

Reducers are metal pieces used for connecting pipes of different diameters. They can be manufactured from a variety of metals, such as steel, copper, brass and aluminium and come in many shapes and sizes. Reducers provide the necessary means to join pipes with different end connections and allow the flow of liquids or gases without any pressure loss.

Difference Between Swage Nipples and Reducers

Shape and Function:

Swage Nipples are short pipe sections with one end threaded and the other either plain or threaded. Their function is to allow pipes with different end types to connect, making it possible to join pipes that otherwise wouldn’t be able to. In comparison, Reducers taper from one pipe size to another, meaning they can change the size of a pipe, whether it be reducing or enlarging.

Swage Nipples Size Range:

Swage nipples come in various sizes per the piping application’s requirement. However, they usually come in sizes of ½ inch to 6 inches in diameter. This means they are limited to smaller-sized pipes that require the ends to be threaded.

Reducers Range:

Reducers have a wide range of sizes, making them suitable for various pipe diameters. They can be used for both large and small diameters, making them versatile. The larger reducers are known as Concentric and Eccentric Reducers and are ideal for industrial applications such as oil and gas chemical and petrochemical plants.

Uses of Swage Nipples:

Swage Nipples are often used to allow pipe joinings that can withstand high pressures. Their pressure rating is the same as the connecting pipe, making them suitable for high-pressure applications. They are also used in steam lines with high temperature and high-pressure conditions.

Uses of Reducers:

Reducers are widely used when transferring liquid or gaseous substances from one pipe size to a smaller or larger one. The primary function of reducers is to ensure that the flow of a substance is consistent, even when the pipe sizes change. They can reduce flow rates, conserve energy, and prevent backflow.


In conclusion, Swage Nipples and Reducers are essential components in piping systems. While they share some functional similarities, they are used for different applications. Swage Nipples are used for joining pipes of different end types or sizes, while Reducers are used for changing pipe sizes. With this understanding, you can make informed decisions when selecting these components for your piping systems.

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