In the second renovation, the transformation of hydropower and Other lines is a particularly important project, and almost every family will be involved. In particular, some old houses, if they do not change hydropower, can no longer be used normally or are prone to fire, running water and other dangers. So, what should we pay attention to in such an important transformation? Please see the experts for details.
It is necessary to reform the waterway
“Houses with a useful life of more than 15 years must be retrofitted to the Sheung Shui Pipeline during the second renovation.†Wang Yinghua, Vice President of Qida Group explained the reasons in detail: First, Beijing’s water quality is relatively hard, and the use of the Sheung Shui Pipeline is relatively high. After a long time, minerals will be deposited on the inner wall of the water pipe to generate scale, resulting in more impurities in the water, affecting the health of domestic water. Second, galvanized iron pipes were used in houses built before 1990. Due to the oxidation of water, the pipes may be partially rusted and contaminated. In particular, where the pipe joints are laid, the inside and outside of the pipe joints are easily rusted and the pressure resistance is reduced. , It is easy to cause leakage, cracking or even water pipe breakage. New types of water pipes, such as aluminum-plastic pipes or PP-R pipes, which are popular after 1990, will also age and crack, and occur in practice from time to time. In addition, the second renovation is generally necessary to carry out the transformation between kitchen and other functions, in order to beautify the environment, the general will be changed from the previous tube to the dark tube.
When the project is accepted, a pressure test shall be conducted on the waterway, and the water pressure shall remain for one hour without the pressure being considered qualified.
Things to look out for in transformation:
1. Select new types of water pipe materials, common are: PP-R, PE and other new plastic pipe, a higher grade stainless steel pipe and brass. But be careful not to use aluminum-plastic tubes, because the joints of aluminum-plastic tubes are card-type joints, and the gaskets inside the joints will age earlier than the tubes.
2. In general, buried pipes will be buried in the decoration, but it is better not to bury it under the ground.
3. Because the water pipe in the water, due to turbulence in the pipe caused by the phenomenon of vibration of the water pipe, so the pipe installation should be more pipe clamp to ensure that the long-term stability of the pipeline.
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