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Openchannelflow provides solutions for the measurement, conditioning, and control of water in open channels...for industries, municipalities, research organizations, and State / Governmental organizations.

Openchannelflow manufacturers the widest selection of Flumes for the measurement of water and wastewater. Accurate and cost-effective, Openchannelflow flumes are highly customizable and built to withstand the most demanding applications.

Openchannelflow fiberglass Packaged Metering Manholes are available with Flumes, Weirs, Mag Meters, or other primary devices for below-grade measurement of pipe flows.

For the protection of your valuable equipment, Openchannelflow offers Single-Piece Shelters in widths from 4' to 10' and lengths from 2' to 20'!

For smaller equipment, Openchannelflow offers a variety of fiberglass Equipment Enclosures for automatic samplers, chemical metering, valve protection, and above grade flumes.

Openchannelflow thin-plate Weirs (fixed and portable) are sized to meet the strict requirements of ISO/DIS 1438 for accurate flow measurement.

To protect your larger equipment, Openchannelflow offers Modular Fiberglass Equipment Shelters for year-round protection in even the harshest of conditions.

Precise flow stream measurement and characterization requires an accurate primary device like a weir box from Openchannelflow.  Weir Boxes are well suited for measuring dam seepage, UV effluent, spring discharge, and more!

Custom free-standing Level / Head Gauges from Openchannelflow are perfect for quick visual indication of level / flow rates for stream gauging, lake / reservoir levels, or flume / weir applications.

Factory integrated, Fiberglass Energy Absorbing and Diversion Manholes provide pre-engineered, drop-in-place solutions to flow conditioning needs.