Water supply is extremely important for any home, building or enterprise, because cold water is used everywhere. Naturally, there are many ways to create a high -quality water supply system, and different materials are used for this. But the PND pipe is one of the most popular today.
Of course, you need to choose the corresponding pipe. Choose the one on which there is a proper marking from the manufacturer, a detailed footage is indicated and GOST is indicated. More specifically, then on pipes for drinking water it should be written that they are designed specifically for drinking water.
In order for the pipeline to be resistant to corrosion, it is necessary to make sure that metal parts are absent in the entire system. It is not recommended to use dad, linen or FUM tape in order to increase the strength of fastening, since there will still be no help from such materials. It is much more profitable to use a zangi fitting. It is tightened manually, while the pipe is inserted all the way.
During the laying of communications on the site, it is necessary to take into account the fact that they cannot be laid simply on the ground. They are negatively affected by direct sunlight. It is much more reliable to bury them underground in a trench, the depth of which will be below the freezing of the soil, since the cycles of freezing and defrosting are fatal for fittings.
The trench itself must be narrow, with a depth of more than 1.5 m, without stones or other solid particles. The laid pipe should not be stretched and before burying it, communications must be insulated and sprinkled with sand. It is advisable to make so that there are no fitting connections in a buried pipe, if this cannot be avoided, it is better to use the options with the zangha and place it so that these elements can be controlled. If the fitting must be buried, then you should use the PND fittings that are “welded” to the main pipe (using the rations of polypropylene using the PP-RC soldering iron).
It is not recommended to place water and sewer communications in one trench. To enter the water supply into the house, PNP pipes of larger diameter (for water is a technical nature), in which our water pipe will be placed, as if in a sleeve. In this case, it will be much easier to carry out the repair work of the water supply.
By the way, when going to bend the pipes, be sure to take into account the fact that they have minimally permitted radii for which they can be bent. In this case, you need to take into account the diameter of the product, because the thicker the pipe, the greater the pressure it can withstand.
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