Blog

Historically, flume manufacturers have been like mattress salesmen – they made it difficult to find the information that you need so that you can compare among offerings. Remember that a reputable flume manufacturer provides a mix of good customer service, strong application…

The use of galvanized steel Parshall flumes is common in measuring water rights on irrigation channels. So much so they are almost the default flume / material of construction! In fact, some states specify the use of Parshall flumes by law for certain situations and Dr. Parshall…

Of all the various sizes of Parshall Flumes that we offer, the 4-inch Parshall flume is one of the most popular. Whether in fiberglass, galvanized, or stainless steel, we get a lot of inquires for this particular size.

One of the problems in applying Trapezoidal flumes has been that many of the flumes lack free-flow equations in the standard (and short) format: found with other popular flumes (the Parshall / Montana in particular).

Since the Parshall flume is the most commonly applied flume in North America and fiberglass the most common material, it is not uncommon when talking with a customer for the first time to be asked: so how much does a fiberglass Parshall flume cost anyway?

In the past, calculating the flow in a submerged Parshall Flume has been difficult. The solutions available were graphs (Robinson, Bureau of Reclamation), limited (size) equations (Wahl), or long, complex equations (ISO 9826:1992). A better solution was needed – one that…

Staff ("Head" or "Level") Gauges provide a quick, visual indication of the level of water in a channel, flume, or weir. Although they should not be solely relied on when more precise level measurement devices are available, staff gauges allow operators to quickly gauge the…

Replacement floors (AKA “magic bottoms” or “false floors”) are a way of correcting flume hydraulics without the need for costly demolition and construction.

Turning off the pumps is one of the last things that happen when a mine is closed. Slowly many of the open spaces of the mine begin to fill up with water. Rain starts to percolate thought the roof and walls and ground water, previously held at bay by the pumps begins to seep back…

Let’s not kid ourselves – landfill leachate is some nasty stuff. If it has gone into the landfill, there is the likelihood that it has concentrated in the landfill. This environment can make it exceedingly challenging for primary devices (flumes, weirs, and other meters) to…

Green roofs have grown in popularity in the US in the past decade. Popularized in Germany begining in the 1960's, green roofs have shown to provide benefits to the building owners and society as a whole. From a municipal standpoint, green roofs offer a number of advantages,…

The unique shape of the H Flume allows it to measure a wide range of flows. As a result, a common application of the flume is stream gauging - where flows can run from a trickle to a torrent.