| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter device for a manhole pump, which can reduce maintenance frequency, and the manhole pump.SOLUTION: A filter device (1) for a manhole pump, which is provided in a wastewater inlet (105) of the manhole pump (101), includes a cylindrical filter member (5) that has a bottom surface (39A), and an introduction port (47A) that introduces wastewater into the filter member. The introduction port is positioned above the bottom surface and set smaller than the bottom surface.SELECTED DRAWING: Figure 1 |
