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Open channel flow meters made of fiberglass reinforced plastic (FRP). 

Corrosion resistant, maintenance free, dimensionally stable, low weight, easy to install, accurate and economic.

They do not require an additional metal strip since our Parshalls have a flow measurement scale, encapsulated within the plastic laminate along a size indicator, flow entry direction, serial number, and identification.

Parshalls are graded according to the throat width size indicated in inches.

Parshall immediate delivery of 1”, 2”, 3”, 6”, 9” and 12”

Parshall from 16" to 120" throat width, manufactured by order.

Dimensions certified according to Colorado State University Technical Bulletin 61 and US Department of Agriculture Soil Council Circular 843.

In accordance with International Standards ASME RTP-1-2015, ASTM D4097-95 and NBS PS 15-69 


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