Details to pay attention to when installing PPR pipes and fittings

Release time:

2025/02/26 10:32

PPR pipes and fittings on the market are divided into home decoration and construction, with different uses such as hot water pipes, cold water pipes, and drain pipes. Modern home decoration still mainly uses PPR pipes and fittings. It should be noted that professional PPR pipe and fittings manufacturers or construction teams must install them properly during installation, otherwise, the equipment's function will not be achieved, materials will be wasted, and it will be inconvenient to use. PPR pipe and fittings manufacturers introduce the details that need attention during the installation of PPR pipes and fittings.

Pipelines should be concealed within the floor and installed according to the planned drawing positions. If there are any changes in on-site construction, they should be recorded with charts.

When pipes are pre-embedded and concealed in the wall, it is advisable to cooperate with civil engineering to leave a groove at the top, with flexible and timely planning of its size. The depth and width of the pre-embedded pipe groove are De+20mm and De+40~60mm respectively. The groove needs to have a smooth appearance, without sharp corners or other protrusions. After the pipeline pressure test is qualified, the wall groove is filled with M7.5 cement mortar.

Indoor floor pipe installation should be carried out after the civil engineering work is completed. Before installation, civil engineering should cooperate to correctly reserve or pre-embed the casing.

During equipment pipe installation, there should be no axial twisting, and when passing through walls or floors, it should not be forcibly corrected. When PPR pipes and fittings are laid parallel to other metal pipes, there should be a certain maintenance gap. The net distance should not be less than 100mm, and the PPR pipes and fittings should be on the inner side of the metal pipe.

When pipes pass through the floor, a steel casing should be set up, with the steel casing extending 50mm above the ground, and waterproof measures should be taken. When pipes pass through the roof, strict waterproof measures should be taken. A fixed support should be provided at the front end of the intersection.

When PPR pipes and fittings pass through walls, steel casings should be set up in cooperation with civil engineering. When cold water pipes pass through walls, holes can be reserved, and the hole size should be 50mm larger than the outer diameter of the pipe.

For pipes directly buried in the floor and walls, the pressure test and sunshade project inspection records should be made before sealing.

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