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Hydrological Equipment

Parshall Flume, 1in

Item No.:
0.00 LBS

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The Parshall Flume is the most widely used flume and has been the standard for flume measurements since designed in the 1930's. The main advantage of the Parshall Flume is its relatively low loss of head. The head loss is only about a fourth of that needed to operate a weir having the same crest length. This allows a wide operating range for a given size flume. The tapered approach section followed by the downward sloping floor of the throat gives the Parshall flume its ability to withstand relatively high degrees of submergence without affecting the flow rate. Another advantage of the Parshall Flume is its self-cleaning capacity.

Standard Parshall Flume sizes 1 inch through 72" throat width.
Available without discharge section resulting in short overall length for applications where submerged flow does not occur (modified Parshall Flume)

Fabricated from reinforced polyester fiberglass with permanent smooth white gel-coat finish on wetted surfaces, aluminum, galvanized steel, or stainless steel.

Available Options:

  • Embedded staff gages in feet, tenths and hundredths of a foot
  • Ultrasonic sensor mounting brackets
  • Removable stainless steel bubble tubes
  • Submerged probe cavities
  • Stilling wells (attached and detached)
  • FRP grating over the flume
  • Pieced assembly for portability

Click for Flume Dimensions