How to Test Pleated Wirewound Filter Cartridges

How to test the pleated wire wound filter element The pleated filter element is a relatively detailed filter element in the pleated filter element series. It belongs to the filter element of sterilization grade and high hygiene standard. To ensure that the PES pleated filter element of each factory meets the needs of customers, the following is an introduction to the integrity test of the PES pleated filter element. The integrity test of the filter element is a test used to detect parameters such as the dispersion flow of the filter element and the bubble point. The test 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 intake pressure can meet the requirements (requires the intake pressure to be set at 5-7bar), test The temperature was set at 20-25°C. Components: filter, pressure gauge, combined joint, clean air source, liquid pump, water tank (solvent tank), pipe fittings, etc. Operation steps Wet process (the parameters cited below are the setting parameters of hydrophilic membrane 0.2um filter element as an example) to complete the connection; close the valve, open the valve and the exhaust valve, open the water pump, dispatch valve 4, and wait for water to come out from the exhaust valve Close the exhaust valve, and initially stop the flushing of the filter element. Completely open the valve, flush quickly for 5 to 10 seconds, adjust the valve, control the pressure of the pressure gauge 1 to show about P1u003d4-4.5bar, according to the flow rate of more than 5L/min per 10The greater the flow rate and the longer the time, the easier it is to wet the filter element, and the more accurate the test results are.

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