What are the connection methods of flexible rubber joints?

What are the connection methods of flexible rubber joints?
 
Flexible rubber joints are commonly used in piping systems to connect various components and allow flexibility and movement. These joints are composed of rubber and reinforced materials, which enable them to absorb vibrations and movements caused by temperature changes, pressure fluctuations, and seismic activities to prevent damage to the piping system. There are several connection methods of flexible rubber joints, including threaded, flanged, welded, and clamp connections.
 
Threaded connections are used in low-pressure applications and comprise two threaded endings that screw onto the pipe ends. This connection method allows for quick installation and replacement of the joint. It is most commonly used in smaller-sized pipes that do not require high-pressure and high-temperature resistance. Threaded connections also allow easy dismantling and maintenance of the piping system.
 
Flanged connections are used for high-pressure and high-temperature applications and are the most commonly used connection method for flexible rubber joints. This method comprises two flanges that are bolted together, forming a leak-proof seal. The flanges have a standard size and hole pattern, which allows easy installation and replacement of the joint. The flange connections are easily dismantled, which makes it ideal for maintenance and repair of the piping system.
 
Welded connections are used in applications where the piping system is exposed to very high temperatures and pressures. They are the most secure connection method, as the joint becomes strong and leak-proof. Welded connections are permanent and are not easily dismantled, making it difficult to perform maintenance and repair on the piping system. It requires skilled personnel and specialized equipment to carry out installation and repair work on welded connections.
 
Clamp connections are used in applications where the piping system experiences irregular movements and vibrations. This connection method comprises a clamp that is tightened around the ends of the pipe, securing the rubber joint in place. The clamp connections are easy to install and remove and are commonly used in HVAC systems, water treatment plants, and industrial applications.
 
Overall, the choice of connection method for flexible rubber joints depends on the specific application's requirements. The threaded method is suitable for low-pressure applications, and the flanged method is suitable for high-pressure and high-temperature applications. The welded method is not commonly used but is ideal for high-temperature and high-pressure applications. The clamp method is used in applications where irregular movements and vibrations are present. It is essential to consider the piping system's material, the joint's size, and the required movement, and temperature and pressure requirements when selecting the suitable connection method for flexible rubber joints.