Pipes and pipes are indispensable in our home improvement and life. PE pipes are often used for water supply. A qualified drinking water quality is delivered to the user's home. Water delivery pipes are very important. PE water supply pipes and PE gas pipes are commonly used pipes at home. , Then they also need to take the following protective measures in the process of layout and laying.
One, anti-corrosion. Anti-corrosion measures must be taken for metal pipes, whether exposed or hidden. The usual anti-corrosion method is to first remove the rust from the pipe to expose the metal body luster, and then brush the anti-corrosion paint on the outer wall of the pipe. Welded steel pipes and cast iron pipes for exposed installations shall be painted with one anti-rust paint; two coats of silver powder finish paint; two coats of silver powder finish paint shall be applied for galvanized steel pipes; two coats of asphalt paint shall be applied to the concealed and underground pipelines; the anti-corrosion layer shall be adopted It is a material that has pressure resistance, good waterproofness, insulation and chemical stability, and can be firmly bonded to the protection pipeline.
2. Anti-vibration. When the water flow rate in the pipeline is too high, the water hammer phenomenon of opening and closing the faucet and the valve will cause the vibration of the pipeline accessories, which will not only damage the pipeline accessories and cause water leakage, but also generate noise. Therefore, the water flow speed of the pipeline should be controlled during the design. The use of solenoid valves or quick-closing water hydrants should be minimized. Install flexible rubber joints behind the valves of residential building entrance pipes for vibration isolation, and use rubber gaskets and other vibration damping materials in the pipe brackets and pipe clamps to reduce the impact of vibration diffusion.
3. Anti-freezing and anti-dew. For water supply pipes and equipment located in places where the temperature is lower than 0℃, such as roof water tanks in cold areas, rooms without heating in winter, basements, aisles, etc., the insulation layer should be insulated and antifreeze after painting , The outer shell of the insulation layer should be sealed and anti-seepage.
