Thursday, January 17, 2013

How to use the test method of filtration equipment to detect


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Stainless steel filter is a very popular kind of in many filtration equipment we use our modern life, which is not the lack of equipment, and we take a look at how to use professional methods to detect filtration equipment on this The para graph equipment performance testing!industrial water filters
To test the performance of a device, the best way is to use the bubble point test, this method requires a certain amount of pressure to the gas to break through the moist membrane, while the outflow of gas from the membrane pores, while the value of this pressure is the bubble point of this film, the method of the value of this pressure is determined by bubble point method. If it is a good performance of the filter, air diffusion through the membrane hole is humid after forming the liquid film, and this time measurement through the flow can be obtained forward stream value, this value may be under pressure in the air film downstream The amount can also be under a certain pressure upstream of the membrane the required air flow.
Bubble point test, then it is best to use a professional manufacturer production Bubble Point Tester, thi s device can also be manually tested, we only need to have a sterilization a 0.22μm filter or membrane as bubble point, specific methods are as follows:
1, the device will be tested with water for injection completely soaked, and then installed the infusion piping system, this time to the device by adding an appropriate amount of water for injection, immerse the membrane or filter can.
2, the compressed air to slowly feed the feed end, note the pressure therein in accordance with the instrument to be set.
3, manual testing when you need to slowly increase the compressed air, until the pore size of the membrane or filter has a fixed value of the minimum bubble point and observe the minimum bubble point value when bubbles appear in the export of water for injection.

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