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How to install ppr-coupling correctly?
Mar.05.2024
Installing PPR couplings;correctly is essential for ensuring leak-free and reliable plumbing connections. Here's a step-by-step guide to installing PPR couplings: Prepare the Pipes: Cut the PPR pipes to the required length using a pipe cutter or a fine-toothed saw. Ensure that the cut ends are square and free from burrs or rough edges.
Prepare the Couplings: Inspect the PPR coupling to ensure it is clean, undamaged, and free from debris. Check that the sealing surfaces are smooth and free from defects that could compromise the joint.
Mark the Insertion Depth: Use a marker or pencil to mark the insertion depth on the end of each pipe. This will help ensure that the pipes are inserted into the coupling to the correct depth for a secure and watertight connection.
Heat Fusion: Heat fusion is the most common method for joining PPR pipes and couplings. Follow these steps for heat fusion:
a. Heat the fusion tool to the recommended temperature specified by the manufacturer.
b. Insert the heating element of the fusion tool into the end of the PPR coupling and rotate it to evenly heat the inner surface.
c. Heat the end of the PPR pipe to be joined for a few seconds using the fusion tool.
d. Quickly insert the heated end of the pipe into the heated coupling, ensuring it reaches the marked insertion depth. Hold the pipe in place until the joint cools and solidifies.
e. Repeat the process for additional connections, ensuring that each joint is properly aligned and inserted to the correct depth.
Pressure Test: After completing the installation, perform a pressure test to check for leaks and ensure the integrity of the plumbing system. Pressurize the system to the recommended pressure specified by plumbing codes or regulations and inspect all joints for signs of leakage.
Secure and Support: Once the pressure test is successful, secure and support the PPR pipes and couplings using appropriate hangers, brackets, or straps. Ensure that the pipes are adequately supported to prevent sagging or stress on the joints.
Finish and Insulate: Finish the installation by connecting any additional components or fixtures to the PPR plumbing system. Insulate exposed pipes in cold environments to prevent freezing and protect against thermal expansion and contraction.
