- Jun 19, 2017 -
⑴ to be installed in the suction port of the pump:
Pump oil suction circuit is generally installed with a surface type oil filter, the purpose is to filter out the larger impurity particles to protect the hydraulic pump, in addition to the filter capacity of the filter should be more than twice the pump flow, the pressure loss is less than 0.02MPa.
⑵ installed in the pump on the export line:
The purpose of the oil filter installed here is to filter out contaminants that may penetrate valves and other components. Its filtration accuracy should be 10 ~ 15μm, and can withstand the working pressure on the oil and the impact pressure, the pressure drop should be less than 0.35MPa. At the same time should be installed safety valve to prevent the filter plug.
⑶ installed in the system on the oil return: This installation from the indirect filtering effect. Generally with the filter and even install a back pressure valve, when the filter block to a certain pressure value, the back pressure valve open.
⑷ installed in the system branch on the road.
⑸ separate filtration system: large hydraulic system can be set up a hydraulic pump and oil filter composed of independent filter circuit.
In addition to the entire system required for the oil system, but also often in some important components (such as servo valves, precision throttle valve, etc.) in front of a separate installation of a dedicated fine filter to ensure their normal work.
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