Project Description

Weir Gate

V Notch Weir

Plasti-Fab composite fiberglass reinforced plastic (FRP) Flow Metering Weirs are engineered to meet design criteria for accurate measurement. Composite FRP is corrosion resistant, low maintenance and pound-for-pound much stronger than steel. For over forty years, Plasti-Fab has been supplying composite FRP fluid measurement solutions for highly corrosive environments. Recognized around the world as an experienced innovator and provider of quality composite solutions, Plasti-Fab has a wealth of experience and expertise in flow control products. Weirs provide a simple measuring method of the volumetric flow rate in streams and industrial discharge sites. The fluid depth behind the weir is converted to a rate of flow since the fluid passes through the critical depth of flow at the weir’s crest.

Weir Gate Key Features

  • Suitable for a wide range of open channel flows
  • Easy installation
  • Pre-drilled mounting holes
  • UV stabilized pigmented resin for long term corrosion resistance
  • Standard 1/4” thick FRP
  • Integral Flow Metering Weirs available in self-contained manholes or boxes
  • Weir Boxes reinforced with engineered box rib design for strength
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Flow Metering Weirs
V Notch Weir Specs