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PARSHALL FLUMES
Diagrams, Dimensions & Flow Data
Click image above to download pdf version.
The Parshall flume was developed by the US Soil
Conservation Service in the 1920’s to measure irrigation water flow. Parshall flumes principle advantages include low head
loss, self cleaning capability, and their ability to withstand relatively high degrees of submergence without affecting the rate of
flow. Parshall flumes are best used in channels having rectangular cross-sections. Parshall Flumes are the standard
for most waste water treatment plant influent and effluents. Parshall flumes can be use with non-full pipes if a suitable
transition is provided, however extreme care must be taken when mating Parshall flumes to circular channels. For more
information on monitoring Parshall flumes see the FC200, Open Channel Flow Monitor. For
information on how to install a Parshall Flume click HERE.
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Table of Dimensions
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Part #
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W
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A
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2/3A
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B
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C
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D
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E
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F
|
G
|
J
|
K
|
N
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Price
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01-006
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1
|
14-9/32
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9-17/32
|
14
|
3-21/32
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6-19/32
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9
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3
|
8
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9-1/4
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3/4
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1-1/8
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$583
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01-007
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2
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16-5/16
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10-7/8
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16
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5-5/16
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8-13/32
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12
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4-1/2
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10
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12-7/8
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7/8
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1-11/16
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$765
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01-008
|
3
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18-3/8
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12-1/4
|
18
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7
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10-3/16
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24
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6
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12
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25
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1
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2-1/4
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$945
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01-009
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6
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24-7/16
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16-5/16
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24
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15-1/2
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15-5/8
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24
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12
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24
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27
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3
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4-1/2
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$1,589
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01-010
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9
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34-5/8
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23-1/8
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34
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15
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22-5/8
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30
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24
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18
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33
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3
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4-1/2
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$2,028
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01-011
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12
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54
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36
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52-7/8
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24
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33-1/4
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36
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24
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36
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39
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3
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9
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$3,651
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Prices listed are for United States and Canada only. Call or e-mail us for pricing in other countries.
Terms and Conditions
Table of Flow Data
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Size
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1"
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2"
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3"
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6"
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9"
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12"
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Min CFS
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0.001
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0.001
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0.001
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0.001
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0.005
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0.006
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Min MGD
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0.001
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0.001
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0.001
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0.001
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0.003
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0.004
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Max CFS
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0.22
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0.68
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2.91
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6.16
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12.51
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21.68
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Max MGD
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0.14
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0.44
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1.88
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3.98
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8.09
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14.01
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Complete Flow Table
NOTE: Flow tables are only valid to the E (height)
measurement of the Parshall Flume.
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1" Table
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2" Table
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3" Table
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6" Table
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9" Table
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12" Table
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