Your Top-Rated Supplier for Parshall Flume
Developed in 1922 by Ralph L. Parshall for the United States Bureau of Reclamation, Parshall flumes are the most widely used type of flume for permanent flow monitoring installations.
First Choice in Flumes
With wide flow ranges, resistance to submersion, simple flow meter calibration, and self-cleaning design, Parshall flumes are the first choice of many engineers and end-users. Typical applications include
- Sewage treatment plant influent and effluent
- Industrial process discharge
- Irrigation and agricultural runoff
Options and Accessories
- Ultrasonic mounting brackets
- Bubble tubes
- Sample tubes
- Submerged probe cavities
- Stilling wells (attached and detached)
- Staff gauges
- Removable probe holders
- Inlet and outlet end adapters
- Pipe stubs
- Flanged end connections
- Flow straighteners
- Fiberglass grating
- Inlet and outlet wingwalls
- Multi-piece construction
- Nesting
- Chemically resistant gel coal
Technical Details
| Size & Style | Recommended Flow Rates |
|---|---|
| 1” | 2 – 85 GPM |
| 2” | 3 – 210 GPM |
| 3” | 4 – 834 GPM |
| 6” | 22 – 1,754 GPM |
| 9” | 40 – 3,979 GPM |
| 12” | 146 – 7,336 GPM |
| 18” | 227 – 11,021 GPM |
| 24” | 296 – 14,853 GPM |
| 30” | 366 – 18,721 GPM |
| 36” | 434 – 22,618 GPM |
| 48” | 567 – 30,484 GPM |
| 60” | 995 – 38,426 GPM |
| 72” | 1,181 – 46,431 GPM |
| 84” | 1,828 – 54,489 GPM |
| 96” | 2,076 – 62,591 GPM |
| 120” | 2,575 – 162,414 GPM |
| 144” | 3,057 – 275,541 GPM |
| Note: 1” and 2” Parshall flumes are not recommended for sanitary flows | |
Additional Examples
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