| 摘要 |
PURPOSE: An automatic washing filter for clear water and seawater is provided to easily wash the strainer by just opening a discharge valve. CONSTITUTION: A conical strainer(2) is installed inside a filter body(1). A residual drain pipe(3) is connected to outside of the filter body(1) in the narrow direction of the cone. A residual drain valve(4) is connected at the end of the residual drain pipe(3). The residue inside the strainer(2) can be removed just by opening the valve(4). The residual drain valve(4) can be operated manually or automatically by detecting pressure difference at inlet and outlet of the filter.
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