How to test the integrity of the water filter element?

For the integrity of the water filter element, this feature is very important. So, how is the integrity of the water filter element tested? What is its testing process? 1. The integrity test of the filter element is an experiment used to detect the diffusion flow, bubble point and other parameters of the filter element. The experiment has the advantages of convenient detection and good reliability. The hydrophilic membrane filter element is tested with pure water, and the hydrophobic membrane filter element is tested with 60% IPA. Before using the automatic integrity tester, please confirm the accuracy of the integrity tester, check the air tightness of the filter, and check whether the inlet pressure meets the requirements (requires the inlet pressure to be set at 0.5-0.7Mpa), test The temperature is set to 20-25°C. Wetting process: 1. Close the valve; open the valve and the exhaust valve, open the water pump, the regulating valve, and close the exhaust valve after the exhaust valve has water, and start to rinse and wet the filter element. 2. Fully open the valve, quickly flush for 5 to 10 seconds, adjust valve 4, control the pressure gauge 1 pressure display is about P1u003d0.40-0.45Mpa, according to the flow rate is more than 5L/min per 10 inches, rinse the wet filter element for more than 10 minutes ; The greater the flow rate and the longer the flushing time, the easier it is to wet the filter element, and the more accurate the test result will be. Advantages: 1. Make the filter element easier and more completely wet to ensure the accuracy of the bubble point test; 2. It can ensure the cleanliness of the filter element. The process of water filter integrity test:. Turn off the water pump, close the valve, open the valve, connect the machine air pipe to the instrument connection port, and then open the valve to test the machine. It is recommended that customers test the diffusion flow data and data first, and then test the bubbling point data.

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