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We’ll get back to you within 24 hours or the following business day.

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Customer Care representatives are available by phone Monday–Friday, from 9am–5pm CST.

(800) 616–3837

COIN® Wedge, Flange Process by Flange Instrumentation (Model FF) Flow Meter

The Preso® COIN® Flanged wedge flow meter accommodates most flows, even the most abrasive. This type of differential technology is a proven, consistent measuring technology for media in upstream, midstream and downstream applications. Accuracy and reliability are achieved with rugged construction, practical design, and a simple principle of operation. The Coin wedge flow meter stands alone in its ability to maintain the necessary square root relationship between flow rate and differential pressure for almost any type of flow.

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  • Size
    12...1219 mm
    1/2...48 in.
  • Temperature Range
    Up to 815 °C
    Up to 1500 °F
  • Pressure Range
    Dependent on flange rating
    Dependent on flange rating
  • Accuracy
    (uncalibrated) ±3% (calibrated) ±0.5%
    (uncalibrated) ±3% (calibrated) ±0.5%
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Rugged construction, practical design, and a simple principle of operation..

Well suited for measuring abrasive and erosive slurries, viscous and dirty fluids, clean fluids, steam or gasses.

  • Reynolds number measurement down to 300
  • High viscosity measurement to 3000 and higher
  • Resists wear, no moving parts
  • Bi-Directional flow measurement
  • Easily installed in any position with minimal straight pipe requirements
  • Reduced pumping costs


Product Specifications

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  • Pipe Size
    12...1219 mm
    1/2...48 in.
  • Pressure Range
    Dependent on flange rating
    Dependent on flange rating
  • Temperature Range
    Up to 815° C
    Up to 1500° F
  • Accuracy
    ±3% uncalibrated; up to 0.5% calibrated
    ±3% uncalibrated; up to 0.5% calibrated
  • Repeatability
    ±0.2%
    ±0.2%
  • Turndown Ratio
    10:1
    10:1

Market Applications

  • Oil & Gas

    In the oil and gas industry, the flow of liquids and gases must be measured during every phase of exploration, production and transportation. These applications demand the highest oil and gas meter accuracy and reliability, as well as long-term stability and a low cost-of-ownership. Badger Meter offers one of the broadest product portfolios for use in upstream operations that span offshore to onshore activities, including well testing, enhanced oil recovery, fractionation, completion and separation to recover and prepare crude oil and natural gas.

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  • Industrial Process

    The measurement and monitoring of flow, water quality and toxic and combustible gas plays a vital role in industrial processes for consistent delivery of quality control, personnel safety, environmental protection, process monitoring and optimization. Our comprehensive range of robust, real-time and reliable instrumentation provides dependable solutions that are easy to install, simple to maintain, create safe areas of work and deliver increased regulation compliance.

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  • Refining, Chemical & Petrochemical

    As a worldwide leader in flow metering technologies for over 110 years, Badger Meter offers one of the broadest product portfolios for the chemical and petrochemical processing industry. From differential pressure and Coriolis flow meters to advanced control valves, our solutions help you measure what matters and improve the efficiency and reliability of your operations. Badger Meter has the proven tools and expertise to help you manage your critical resources.

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Product Documentation

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Product Data Sheets | English Preso® COIN® Flanged Flow Meter
Manuals & Guides | English Flow Meter COIN®
Application Data Sheets | English Preso® Applications

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Software & Firmware

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Software | Version v5.37.23.0 | Updated August 19, 2020 | 33.23 MB PresoCalc Setup Tool Preso See Release Notes
Software | Version v5.37.23.0 | Updated August 19, 2020 | 33.23 MB PresoCalc Setup Tool Preso See Release Notes

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We’ll get back to you within 24 hours or the following business day.

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(800) 616–3837