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The difference between PE water supply pipe and PE drainage pipe
1. Pressure PE water supply pipes are used to transport tap water, and generally need to pump water from the ground to the ground and residents' homes. Since the PE water supply pipe needs to bear the pumping pressure, the water supply pipe is generally divided into five levels according to the pressure, namely 0.6 MPa, 0.8 MPa, 1.0 MPa, 1.25 MPa, and they bear 6 kg pressure, 8 kg pressure, 10 kg pressure , 12.5kg pressure and 16KG pressure. The higher the pumping pressure, the higher the pressure level requirements for the PE water supply pipe. Polyethylene drainage pipes are generally used to discharge sewage and flow from top to bottom, so polyethylene drainage pipes generally do not need to consider the pressure level.
30
2022
/
06
Matters needing attention in PE drainage pipe construction
1. Before installing the pipe: Carefully check whether there is any damage in the process of loading, unloading, transportation and stacking. If any defective pipes such as damaged cracks and deformation are found, they should be removed in time. 2. Inspection well and pipeline connection: The flexible joint sealed with flexible packing should be adopted, and the specific structure shall be carried out according to the design requirements. 3. When excavating trenches and making foundations, attention should be paid to: (1) The net width of the groove bottom should be used according to the outer diameter of the pipe plus 0.6m; (2) Drainage measures should be taken during trench excavation to prevent the bottom of the trench from being soaked in water;
30
2022
/
06
Before using the PE pipe, it should be fully prepared
PE pipe fittings are widely used in the construction industry. This is because of the good advantages of PE pipe fittings. However, before using PE pipe fittings, adequate preparations should be made to avoid any problems in the later stage. Before installing PE pipe fittings, it is necessary to dig trenches, and digging trenches means that the excavated soil should have a reasonable stacking place, and the trenches should not be too close, and there should be a distance of more than two meters. The excavated soil should be transported to the outside in time, so as not to affect the future work. During the construction of PE pipe fittings, mechanical operation must be used, and the machine can be used to dig to 20 cm above the level of the bottom of the designed trench, and workers can be invited to dig the rest of the part. In order to ensure the safety of construction, construction period and construction quality, it is necessary to fully understand and investigate the soil quality and groundwater level of the construction site before construction, so as to ensure that there will be no accidents during construction!
15
2018
/
10
How to conduct water tightness test for PE pipe fittings
PE pipe fittings can be used in water supply pipes, in addition to UPV-C pipes, steel pipes, gray cast iron pipes, glass fiber reinforced plastic sand pipes and ductile pipes, etc. The test pressure of the water tightness test of PE pipe fittings shall not exceed the pressure rating of the pipe, or 1.5 times the lowest pressure rating of the fittings in the system. When the pipeline pressure reaches the test pressure, it should be kept for a certain period of time to make the temperature of the test medium in the pipeline consistent with the ambient temperature of the pipeline. After the temperature and pressure are both stable, start timing. Under normal circumstances, the water tightness test should be stabilized for 24 hours. After the test, if there is no obvious leakage or pressure drop, the test is passed. PE pipe fittings have become the ideal pipes for water supply projects due to the advantages of low cost, convenient construction, good hydraulic conditions, non-toxicity, corrosion resistance, low temperature resistance and mechanical vibration resistance.
15
2018
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10
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Contact: Manager Xia
E-mail: jshsjiancai@163.com
Add: No. 18, Zhongkang Road, Huaxi Village, Jiangyin City, Jiangsu Province, China
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