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COIN® Butt Weld Wedge (Model NB) Flow Meter

COIN® Butt Weld Wedge (Model NB) Flow Meter

The Preso® COIN® Butt Weld Wedge flow meter accommodates most flows, even the most abrasive. This butt weld DP flow meter is designed to be placed and welded within a pipe line for leak-free, long-lasting measurement. This type of wedge meter is effective with liquid, gas and steam applications. 

Showing units in US Customary
  • Size
    1/2...16 in.
  • Temperature Range
    Up to 800 °F
  • Pressure Range
    Dependent on flange rating
  • Accuracy
    (uncalibrated) ±3% (calibrated) ±0.5%
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Proven, consistent measuring technology.

Well suited for measuring high-viscosity fluids, slurries, corrosive fluids, contaminated air/gas, and more.

  • Reynolds number measurement down to 300
  • High viscosity measurement to 3000 and higher
  • Resists wear, no moving parts
  • Bi-Directional flow measurement
  • Narrow face-to-face creates low installed cost
  • Resists wear, maintenance free (no moving parts)


Product Specifications

Showing units in US Customary
  • Pipe Size
    1/2...16 in.
  • Pressure Range
    Dependent on flange rating
  • Temperature Range
    Up to 800° F
  • Accuracy
    ±3% uncalibrated; up to 0.5% calibrated
  • Repeatability
    ±0.2%
  • Turndown Ratio
    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, creates 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

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

Software & Firmware

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