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Liquid Filtration Classification Of Liquid Filters And General Principles Of Selection

 Liquid Filtration Liquid filter classification and selection of the general principles of liquid filter is the transmission medium on the pipeline is an indispensable device, usually installed in the relief valve, pressure relief valve, water level valve or other equipment, the import side, used to Eliminate impurities in the media to protect the normal use of valves and equipment. When the fluid into the filter with a certain size of the filter, the impurities are blocked, and clean the filtrate from the filter outlet, when the need for cleaning, as long as the removable filter cartridge removed, processed and then reloaded Can, therefore, the use of maintenance is extremely convenient classification editing

  According to the filter media is divided into:

  Air filter

  So that the pollution of the air is clean to the production, life needs of the state, that is, to achieve a certain degree of cleanliness of the air.

  2. Liquid filter

  So that contaminated liquid is cleaned to production, life needs of the state, that is, so that the liquid to a certain degree of cleanliness.

  3. Network filter

  Through the settings to block spam, so that the information on the computer screen as much as possible to meet the requirements. With the principle of absorption will be different colors of light separation

  4. Light filter

  To absorb some unwanted light.

  According to the installation method:

  Oil filter, oil return filter, pipe filter

  According to the performance is divided into: pipe filter. Double tube filter. High pressure filter

  In fact, there are many kinds of filters, in fact, there are many kinds of filters, such as laminated filter, sand filter, carbon filter, etc., the main principle is to use the filter medium pore size retention medium pore size smaller material, Of course, some filter media also has a special effect such as adsorption. Most of the filter backwash is not so much trouble, as long as the water from the end of the filter into the reverse backwash filter medium can achieve a good backwash effect.

  The general principle of filter selection

  Import and export diameters

  In principle, the filter inlet and outlet diameter should not be less than the matching pump inlet diameter, generally consistent with the inlet pipe diameter.

  Nominal pressure

  Liquid Filtration Determine the pressure level of the filter according to the maximum pressure that may occur with the filter line.

  The choice of the number of holes

  The main consideration to be intercepted impurity particle size, according to the media process process requirements. A variety of specifications can be intercepted screen size check the following table "filter specifications."

  Filter material

  Liquid Filtration The material of the filter is generally chosen to be the same as that of the connected process piping. For different service conditions, consider selecting the filter for cast iron, carbon steel, low alloy steel or stainless steel.

  Filter resistance loss calculation

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