How to replace the PP filter element, the core component of the ultrapure water machine

Pure water is the most demanded part of our experiment process. As the main experimental reagent, the quality standard has a great influence on the experimental results. Ultrapure water machine Application of ultrapure water machine Before choosing a suitable ultrapure water machine, we should first understand what kind of water our experiment needs. The water quality standards formulated by different international organizations such as ASTM, CLSI, ISO, etc. are also different, so it is difficult to clearly classify the grades of laboratory water. The maintenance of various parts is indispensable for the stability of the water quality of the process equipment. Therefore, mastering the replacement skills of the filter element is also one of the important conditions to ensure the stability of the water quality of the ultrapure water machine. The salt removal rate of the reverse osmosis membrane process, the core technology of the ultrapure water machine, is generally 98-99%. Such a salt removal rate can meet the laboratory's demand for high-quality water sources. The solution provides a pressure greater than the osmotic pressure difference, and the water molecules will be forced to pass through the semi-permeable membrane to the low concentration side. The reverse osmosis can filter out 90%-99% of most pollutants including inorganic ions. The reverse osmosis membrane The quality of the water directly determines its life, and it is widely used in high-end pure water in laboratories, ultra-pure water machines, and special laboratory equipment. Correct replacement method of filter element of ultrapure water machine 1. The replacement of filter element must be carried out under the condition that the water source and power supply are cut off. 2. There is usually water flowing out during the replacement process. Please prepare a water basin and towels and other cleaning utensils to clean the machine after replacing the filter element. 3. The 'O'-shaped sealing ring should not be damaged or lost, otherwise it will cause serious water leakage. At the same time, try to avoid the displacement or deformation of the 'O' sealing ring when tightening the filter housing. Three pre-treatment filter element steps for replacement: (1) Turn off the switch of the water inlet ball valve. (2) Open the RO outlet faucet to drain the residual water in the pipeline. (3) After the water no longer flows out, use the filter housing wrench to open the filter housing with the filter element. (4) Take out the old filter element and put in a new filter element of the same specification. Ultrapure water machine (5) Coat the black 'O' type sealing ring above the filter housing with lubricant, and then put it into the groove in the filter housing. (6) Tighten the filter housing vertically to avoid displacement or deformation of the 'O' sealing ring. (7) Check again whether there is water leakage at each interface of the pure water machine.

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