SUBMERGED PUMP DEVICE AND SUBMERGED PUMP SYSTEM USING THE SAME
To improve the operation efficiency of a submerged pump device and discharge scum etc. from a sewage tank properly in a state that a sufficient amount of discharge water in a pump body is secured.SOLUTION: A pump body 21 has: a first discharge part 26 which discharges sewage water suctioned into the...
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Sprache: | eng ; jpn |
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