When joining two pipes, proper alignment and a secure connection are essential to prevent leaks. A small yet crucial component called a backing ring is used to achieve this. Backing rings, also known as anti-extrusion rings or backup rings, are typically made from materials like rubber or metals such as chrome, carbon steel, or aluminum. They come in various shapes, including round and square, and are applied by welding them between two pipes during the connection process.
To apply a backing ring, it is positioned between the two pipes to secure the joint being formed. During welding, the goal is to ensure the backing ring melts and fuses seamlessly with the pipes. A properly applied backing ring prevents solder from penetrating through the pipes, ensuring a strong and leak-free connection. Skilled welding is critical in this process to create a smooth, crack-free joint without any crevices.
The importance of a flawless connection cannot be overstated. Even the smallest cracks or crevices, invisible to the naked eye, can become breeding grounds for bacteria, mold, or corrosive ions like chloride. Over time, these imperfections can lead to corrosion, leaks, or system failure.
Backing rings are widely used in industries such as construction and automotive and are available in various designs to suit different applications. The simplest types include:
For more advanced needs, backing rings are available in flat, ridge, or groove designs. The choice of backing ring should be based on the specific requirements of your project.
For more information on the proper type of backing ring needed for your job, or to place an order contact Detroit Nipple Works today. 1(888)698-7888