Parshall Flumes

For Permanent Flow Monitoring Installations
Parshall flumes are the most widely used type of flume in the industry. Developed in 1922 by Ralph L Parshall, the Parshall flume was designed for the United States Bureau of Reclamation. Then it was used for permanent flow monitoring installations. Today, it does the same, however includes many options and accessories and is used for many reasons.

Parshall Flume Options & Accessories

TRACOM has worked with various wastewater management companies across the world for over 30 years. We understand that each system is different and needs various items to run most efficiently. This is why we provide a long list of options and accessories for Parshall flumes. Contact a specialist today to see which options work best for your company’s needs!

  • 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
TRACOM FRP shelters require virtually no maintenance and are not susceptible to decay or rust. Our FRP shelters and enclosures are a long-term investment, come with various features, and are used in multiple applications.

Parshall Flume Benefits

Because of their many benefits, Parshall flumes are used in a wide variety of applications. These flumes are often the first choice of many engineers and end-users, due to their certain abilities including:

Parshall Flume Applications

Parshall flume sizes range from 1” to 144” and can also be custom sized. They are an accurate and economical way for permanent flow monitoring. Over the years, TRACOM has helped wastewater management organizations use Parshall flumes in a variety of ways, such as:
Additional Examples

If you need quality and long-lasting Parshall flumes, choose TRACOM. Our fiberglass products are designed with the utmost care and professionalism guaranteed to provide you with accurate flow measurement. We have been providing companies and organizations across not only the country, but the world with various flumes and wastewater management products for over 20 years. To make a purchase or to learn more information on any of our offered flumes, contact a specialist today at 877-435-8637

Technical Details

Product Data Sheet
Installation Instructions
Flume sizes and their recommended flow ranges
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
Discharge Tables