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南京2T-50 (copper)

2021-06-05 15:26:28
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南京2T-50 (copper)
Detailed introduction:

网络优化资料:

Sewers, rainwater, and condensate pipes can be concealed without closing the water test.


Result: It may cause water leakage and cause loss to users.


Method: The closed-water test work should be inspected and accepted in strict accordance with the regulations. Solenoid valve structure buried pipelines, ceilings, pipelines and other concealed sewage, rainwater, condensate pipes, etc. to achieve no leakage and no leakage.


The piping system is not flushed strictly before completion, and the flow and speed cannot meet the requirements of piping flushing. Instead of flushing, the water pressure strength test was also used.


Result: The water quality cannot meet the operating requirements of the piping system, and it often results in the reduction or blockage of the pipe section. Method: It is advisable to set the maximum juice volume in the system or the flow rate not less than 3m/s. Meet the following conditions: the color of the drain port and the transparency of the micro solenoid valve are consistent with the water color and transparency of the inlet water.


During winter construction, water pressure test is carried out under negative temperature conditions.


Result: Due to the rapid freezing in the pipe during the water pressure test, the pipe was frozen.


Countermeasures: The valve manufacturer should try to carry out a water pressure test before using it in winter. After the test, the water should be blown off, especially the water in the valve must be cleaned, otherwise the valve will freeze and crack. In winter, the project must be subjected to a hydraulic test, the room must be maintained at a positive temperature, and the water must be blown after the pressure test is completed. When the water pressure test cannot be carried out, compressed air can be used for the test.


2T-50 (copper)

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