Duct introduction the low pressure series filter element is also provided with a bypass valve. When the hydraulic oil filter element is not replaced in time, the bypass valve can open automatically to ensure the normal operation of the system. the basic parameters Structural strength: 1.0Mpa, 2.0Mpa, 16.0Mpa, 21.0Mpa Scope of use: used for hydraulic and lubrication system oil filtration, to filter out pollutants in the system, to ensure the normal operation of the system