Open Channel Flow Fiberglass Products

Open Channel FLow has a number of fiberglass products that support general commercial and industrial needs. These products are weather resistant, low maintenance, easy to install, and economical.

  • Parshall
  • Palmer-Bowlus
  • Montana
  • Trapezoidal
  • HS / H / HL
  • Cutthroat
  • RBC

Metering Manholes

  • Cost Effective
  • Simple Installation
  • Minimum Downtime
  • Lightweight
  • Watertight
  • Corrosion Resistant
Integrates with choice of flumes, pipe adapters, and cover styles

Enclosures

Open Channel Flow offers a number of different enclosure styles for equipment protection.

U.S. Department of the Interior, Bureau of Reclamation, Water Measurement Manual

EPA Procedures for Measuring Wastewater Flow