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Weirs : Flumes : Open channel flow design
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Flow Measurement By Design
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Flumes & Weirs
Weirs
 Flumes & Weirs

Weirs have a crest over which water flows.   Weirs with best accuracy are those with sharp crests: the thin plate weir and the triangle profile weir.   Both have ISO Standard specifications.

A FlowMarque development of the triangular profile weir is used in drains and sewers.   Performance is specified as an approved FMcert calibration.
Flumes : Open channel flow
 
ISO and FMcert Calibration

Triangular Profile Weir, TPW Thin Plate Weir, V-notch

Please use 'Contact us' to discuss a requirement, or 'Quotation' if you need weirs for a measurement system.
Weirs : Open channel flow Weirs : Open channel flow
Flumes : Flow system design Flumes : Flow system design
FlowMarque
Weirs : Flow system design Weirs : Flow system design
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flume designs, weir designs, open channel flows, effluent flows, drain flows, MCERTS, BS3680 flumes, BS3680 weirs, CSOs, drain chambers, hydrometry, channel designs, flow services, flow products, flow engineering, flow solutions, flow specialists, flowmarque, flowmark
Thin Plate             ISO Rectangular
Triangular Profile ISO Rectangular
Triangular Profile FMcert U-Channel
Parallel Throat               ISO Rectangular
Cut Throat (Utah WRL) FMcert Rectangular
Stealth                          FMcert Rectangular
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flume designs, weir designs, open channel flows, effluent flows, drain flows, MCERTS, BS3680 flumes, BS3680 weirs, CSOs, drain chambers, hydrometry, channel designs, flow services, flow products, flow engineering, flow solutions, flow specialists, flowmarque, flowmark