The Duplex Line Filter is composed of two single bowl filter, two check valves, directional valve and indicator. It fit the middle and low pressure and low pressure hydraulic system. The feature of this filter allows continuous operation when changing clogged element. When the element is clogged element. When the element is clogged by contaminant, the indicator will give signals showing that the element should be changed. At this time turn the directional valve, the other filter will begin to work and then change the clogged element.
1. After the blockage, the filter element should be replaced in time to avoid the damage of the filter element and the re-contamination of the system caused by the continuous rise of the filter element pressure difference.
2. The reversing valve handle must be in place, and the filter cartridge at the filter core side should be replaced to allow a small amount of internal leakage.
3. The clogged filter element should be replaced in time for the next use.
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