Cage  filter,cage type filter is conveying medium pipeline system indispensablea filter device, the filter are normally installed in pressurereducing valve, relief valve, calm water valve or other equipmentinlet end, used to remove the impurity in the medium, to protectthe valve and the normal use of equipment. Cage type filter are ofadvanced structure, small resistance, the drainage is convenientwait for a characteristic. Cage type filter applicablemedium for water, oil, and gas. General water network 18 ~ 30 mesh,ventilation network 10 ~ 100 mesh, through oil network 100 ~ 480mesh. Cage type filtermainly by the takeover, directors, filter blue, flange cover andfasteners, etc. When the liquid through the competent into filterblue, solid impurity particles is blocked in the filter blueinside, and clean fluid through the filter blue, the filteroutlet.