MANHOLE INSTALLATION TYPE FULL PIPE FLOW-METER, CAPABLE OF ACCURATELY MEASURING A FLOW RATE INSIDE A DRAIN PIPE

摘要

PURPOSE: A manhole installation type full pipe flow-meter is provided to increase the accuracy more than 4 times of the accuracy of a non-full pipe flow-meter and to measure a lower flow rate.;CONSTITUTION: A manhole installation type full pipe flow-meter comprises a measuring unit(20) and overflow pipe unit(30). The measuring unit installed in an inlet of a pipe(4) comprises one or more straight pipe portions(21), a full pipe flow-meter(22), and a packing portion(24). The full pipe flow-meter is connected to one side of the straight pipe portion. The packing portion is installed in both end part of a portion where the straight pipe portion and full pipe flow-meter are connected. The overflow pipe unit is installed inside a manhole(2) and connected to the packing portion of the manhole side and composed of reversed U shape body part(31) and a discharging part(32) formed in one end part of the body part.;COPYRIGHT KIPO 2012