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The Sur-Flo 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 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.
Features
  • Reduced pumping costs
  • Turndown ratio: 10:1
  • Mass flow output with multivariable transmitter (accuracy ±0.5% calibrated)
  • Repeatability: ±0.2% of readings
  • Reynolds number measurement down to 300
  • High viscosity measurement to 3000 and higher
  • Sizes 0.5…16 in.
  • Manufactured to ASME, ANSI B31.1, NACE MR-0175, CSA-Z299.3
  • ISO-9001 certified design and fabrication
  • Abrasive and erosive slurries, viscous and dirty fluids, clean fluids, steam or gasses
  • Bi-Directional flow measurement 
  • Easily installed in any position with minimal straight pipe requirements 
  • Reduced pumping costs

Specifications

Applications

  • Water
  • Oil
  • Steam
  • Air/Gas
  • Other Liquids

Pipe Sizes

  • 0.5…16 in. (13…406.40 mm)

Temperature Range

  • Up to 800° F (426.67° C)

Pressure Range

  • Depends on flange rating

Accuracy

  • ± 3.0 % uncalibrated, up to 0.5 % calibrated

Repeatability

  • ± 0.2 %

Turndown Ratio

  • 10:1

Documentation

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