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Why is it necessary to introduce water into the pipeline system from the lowest point during the pressure testing? Can’t water be introduced directly from the highest point?
When conducting a pressure test on a piping system, it is chosen to introduce water from the lowest point rather than directly from the highest point for the following reasons: 1. To prevent air blockages: Introducing water directly from the highest point will result in a large amount of air in the pipes, and when this air accumulates at the highest points, it can cause air blockages at the pump outlet. Entering water from the low point allows air to be discharged smoothly, ensuring the pump can operate properly. 2. Preventing the mixing of gas and liquid: When water is introduced from a high point, it is possible for both liquid and gas to enter the piping system at the same time, which prevents testing equipment such as pressure gauges from providing accurate readings. Entering water from the lowest point ensures that only liquid enters the piping system, thus guaranteeing the accuracy of the test results. 3. Safety considerations: Feeding water directly from a high point may cause high pressure spikes in the pump and piping system, increasing the load on the pump and even damaging the equipment. Entering water from a low point allows the water flow to be increased gradually, reducing pressure shock and enhancing safety. In summary, feeding water from a low point can ensure the accuracy, safety, and stability of the pump testing, while preventing problems such as air blockages and the mixing of gas and liquid. .
Water enters at a low level and exits at a high level, which facilitates the removal of air from the equipment
From a high point, it has a significant impact on the low point; moreover, it hinders exhaust