Proper use of PVC pipe and HDPE pipe
Here today, we will share you about how to use PVC pipe and HDPE pipe properly.
1. PVC pipe and HDPE pipe can not be used for hot water. The water temperature of HDPE pipe can not be over 40 degrees and PVC pipe can not be over 45 degrees.
2. Water supply pipeline should be backfilled after tested. To prevent the pipeline in the course of the leakage, resulting in greater losses, the strength and tightness of pipes should be tested.
3. Pressure test of HDPE pipe can not be carried out at noon or afternoon in summer. HDPE pipe is easy to absorb the heat in the air, so that the water temperature inside the pipe will be up to 50 degrees. If you test pressure at high temperature, the actual pressure should be calculated according to the corresponding water temperature.
4. HDPE pipe should not expose for a long time in the outdoor. It should be wrapped with a protective layer to resist corrosion.
5. The welding temperature of HDPE pipe should not be too high. Due to the features of materials, it may carbonize and degrade at high temperature. Usually, the welding temperature of HDPE pipe is 200 degrees.
6. Large diameter HDPE pipe should be reinforced at corn. In the corn of HDPE pipe, the impact of water is larger, likely to cause pipeline damage. It is better to take reinforcement by cement in the corner.
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