The pre-filter is usually installed behind the water meter of the water inlet pipe to ensure that the large amount of precipitated impurities generated in the pipe network will not cause harm to the human body, and it plays an active protective role in concealed pipes, faucets, electrical appliances, etc. The pre-filter is the nemesis of secondary pollution and is a reliable impurity filtering device. How to remove the pre-filter for cleaning? Let's take a look at this question that everyone is concerned about! Contents of this article 1. How to remove the pre-filter for cleaning 2. How to choose a pre-filter 3. Will the pre-filter affect the water pressure? 1How to remove the pre-filter for cleaningClose the water inlet valve, insert the filter from the bottom with a wrench, twist it hard to disassemble the filter and clean it. The pre-filter is the first coarse filtration device for the water used in the whole house. It can filter out large particles such as sand, rust, insect eggs, and red worms in the tap water. The pre-filter is usually installed at the front end of the pipe, so it is named after the word "pre-filter"; and "filtration" refers to the basic principle of this type of equipment. The pre-filter is usually a T-shaped structure. The left and right ends of the upper horizontal position are the water inlet and outlet respectively. The lower vertical position is the body and the internal cylindrical filter screen, and the bottom is the sewage outlet, which is controlled by a valve to open and close. The accuracy range of the filter screen varies from 5 to 300 microns depending on the brand and model. It mainly removes the precipitated impurities and bacteria, microbial debris, rust, sand and mud and other granular impurities larger than 5 microns produced by the pipeline to avoid harm to the human body and skin; and it plays an active protective role in downstream pipelines, water purifiers, water heaters, washing machines, high-end faucets, and showers. The pre-filter can also add hydrochloric acid complex phosphorus scale inhibitors to prevent scale on solar energy and water boilers. It is usually installed behind the water meter of the water inlet pipe to ensure that the large amount of precipitated impurities produced in the pipe network will not cause harm to the human body, and it plays an active protective role on concealed pipes, faucets, electrical appliances, etc. The pre-filter is the nemesis of secondary pollution and is a reliable impurity filtering device. 2How to choose a pre-filter1. Consider the high pressure: When using water, the water pressure is not particularly stable, which will damage water pipes or water heaters and other equipment. Choosing a better pre-filter can play a protective role. 2. Its technical issues should be taken into consideration: because it has two flushing methods, one is direct flushing and the other is recoil flushing. Comparatively speaking, the recoil flushing technology is better, which can effectively block impurities and every corner can be flushed. 3. Consider its material: The quality of the filter determines its quality. You can choose stainless steel, but be careful that the pre-filter must not be rusted or deformed. 4. Pay attention to whether the operation is convenient: because it will need to be cleaned or replaced later, you should see whether its design is user-friendly. 5. Consider its after-sales service: during installation, you can ask professionals to install the pre-filter. If there are problems later, the after-sales service must also be guaranteed. 3Does the pre-filter affect water pressure?1. The pre-filter will affect the water pressure. 2. Regardless of the type of filter, there is pressure loss. Generally, when the pre-filter is operating at full load, the pressure loss is about 0.2 kg, which is about 1/10~1/20 of the tap water pressure. The normal pressure range of tap water is 2~4 kg, so the actual impact is very small. 3. When we use domestic water, the filter rarely operates at full capacity. |
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