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Anonymous users2024-01-24Installation and precautions of waterways.
1. Improper selection of materials: PP-R pipes should be used for water supply pipes in home decoration, and pipes of other materials should not be used.
2. Unreasonable pipeline configuration: 6 points are required for the main water supply pipe and 4 points for the branch pipe, and the compressive strength of the pipeline is required to be used for hot water pipes and cold water pipes.
3. The pipeline layout is not standardized: the home improvement water supply pipe should all adopt the dark laying process, requiring the pipeline layout to be horizontal and vertical, the left hot water and the right cold water, the upper hot water and the lower cold water.
4. Do not carry out hydraulic test: after the pipeline is laid, the hydraulic test must be carried out, and the test pressure is, and the pipeline is allowed to be closed only after the pressure test is qualified.
5. The size of the reserved nozzle is not accurate: the size of the reserved nozzle should be determined according to the size of the two inlets of the mixing valve, otherwise the mixing valve will not be installed in place in the later stage.
6. Waste pipe materials: PVC pipe must be used for drain pipe, 100mm pipe for main pipe and toilet, 50mm pipe for other positions, and metal bellows can be used for special positions.
7. The installation distance of the drainage pipe is too long: the specification requires that the shortest distance be connected to the main drainage pipe, and the pipeline is too long to facilitate smooth drainage.
8. Do not carry out the water test: after the drainage construction is completed, the water test must be carried out to check whether the drainage pipeline is unblocked.
9. The slope of the floor drain is inverted: the drainage outlet of the floor drain pipeline should be at the highest end of the drainage slope, and the drainage slope of the floor tile is just the opposite, requiring the floor drain drainage outlet to be at the lowest point of the entire ground.
Operating conditions.
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