1, import and export Path: in principle, the import and export filters should not be less than the diameter of inlet of the pump diameter, usually with the same diameter pipe imports.
2, the nominal pressure: level to determine the pressure filters according to the highest possible pressure filter pipeline.
3, the choice of mesh hole: consider the need to intercept the main impurities in size, according to media process requirements. All kinds of wire mesh to block investigations of the particle size of table "filter specifications".
4, the filter material: filter material connected with the general selection process piping materials are the same, conditions of service for different carbon steel, cast iron, can consider to choose low alloy steel or stainless steel filter.
5, filter resistance loss calculation water filters, in general the calculation under the nominal flow rate, the pressure loss is 0.52 ~ 1.2kpa.
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