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Openchannelflow is pleased to announce the release of our new line of Redstone Series Fiberglass Enclosures to house monitoring equipment and provided secure storage of chemicals and equipment. Redstone Series enclosures are designed to be aesthetically pleasing and blend into…

In cases where the flow stream is clean and clear of fibrous / sanitary / large solids, Tranquilizer Racks can be used to slow the flow stream prior to it entering the flume.  Typically used in rows of two or more, Tranquilizer Racks serve to break up the flow stream –…

Customer - SJ Louis Construction of Texas Designed by Black & Veatch of Kansas City, MO, the Mill Creek Regional - Effluent Tunnel project in Shawnee, Kansas is designed to eliminate the risk of sewage spills into the Kansas river during heavy rains. A key element of the…

One of the problems contractors often face when installing a flume in a concrete manhole is forming the transitions into / out of the flume.  Done poorly and the result is a flume that either experiences turbulence or submergence – both which will seriously compromise…

In March 2014, Feed the Future West / WINNER organized a training for farmers in the Cul-de-Sace plain of Haiti on the use of irrigation canals with floodgates, flow measurement, flow calculation methods, and other irrigation techniques.

Openchannelflow manufactures fiberglass Parshall flumes in sizes from 1 inch to 12 feet.  Constructed of premium isophthalic polyester resin, Openchannelflow’s Parshall flumes conform to ASTM D1941-91, ISO 9826:1992, JIS B7553, and the Bureau of Reclamation’s…

Putting a flume in really isn't that hard.  You can really break down it down into five steps:  Orienting the flume Siting the flume Securing the flume Cribbing the flume Backfilling

Reduced height flumes provide a convenient solution to applications where the anticipated flows at a site do not warrant a large flume, but where the flow channel is wider than can otherwise easily / economically accommodate a smaller flume.  Commonly found in water rights…

Unless you use or put in flumes for a living, you may not be familiar with the layout of a typical flume installation.   The components of most flume installations are:  the flume (naturally), the sensor, and the flow meter.

We've collected a series of photos exclusively showing fiberglass Parshall flumes in a variety of different sizes.  We're visual people and prefer pictures over words.   We hope you do to!