The renovation of secondary decoration and water s

2022-07-22
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In the secondary decoration, the reconstruction of water and electricity lines is a particularly important project, and almost every family will be involved

in the secondary decoration, the reconstruction of water and electricity lines is a particularly important project, and almost every family will be involved. In particular, some old houses, if they do not change water and electricity, can no longer be used normally and are even prone to fire, water and other dangers. So, in such an important transformation process, what should we pay attention to? Please see the experts in detail

waterway reconstruction and water supply reconstruction are very necessary

"for houses with a service life of more than 15 years, the water supply pipeline must be reconstructed in the secondary decoration." Wang Yinghua, vice president of KuoDa group, explained the reasons in detail: first, the water quality in Beijing is relatively hard. After the water supply pipeline is used for a long time, minerals will deposit on the inner wall of the water pipe to form scale, resulting in more impurities in the water and affecting the health of domestic water. Secondly, houses built before 1990 mostly use galvanized iron pipes. Due to the oxidation of water, local corrosion and pollution of pipes will be caused, especially the parts of water pipe joint threading, which are easy to rust inside and outside, so that the pressure resistance will be reduced, and it is easy to cause leakage, cracking and even water pipe fracture. After 1990, new water pipes such as aluminum plastic pipe or PP-R pipe and PE pipe, which are popular, will also age and crack, and sometimes occur in practice. In addition, the second decoration generally requires the transformation of kitchen and bathroom and other functional rooms. In order to beautify the environment, the previous open pipes will generally be changed into concealed pipes

during project acceptance, the waterway shall be subject to pressure test, and the water pressure shall be maintained for one hour before it is qualified

matters needing attention in Transformation:

1 New water pipe materials are selected. Common ones include PP-R, PE and other new plastic pipes, and higher grades include stainless steel pipes and copper pipes. But be careful not to choose aluminum-plastic pipe, because the joint of aluminum-plastic pipe is a card joint, and the gasket in the joint will age earlier than the pipe

2. Pipes are usually buried in the decoration, but it is best not to bury them under the ground

3. As the water pipe will vibrate due to the turbulence of the air in the pipe when it is connected with water, more pipe clips should be added during the installation of the water pipe to ensure the long-term stability of the pipe

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