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Model VISSM Venturi Nozzle, Insert Flow Meter

The Venturi Model VISSM (Insert Type Hydraulic Venturi Design) is a Hydraulic design differential pressure flow device. The insertion style meter adds only the thickness of the meter center flange to the overall length of the pipe.  The Venturi flow meter restricts the flow at its throat, increasing the velocity of the fluid, and measures the pressure difference of the unrestricted flow and restricted flow. The meter's throat can be designed to meet the flow measurement application optimizing the meter's accuracy and permanent pressure loss.

This product does not have the CE marking.

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  • Size
    76...914 mm
    3...36 in.
  • Temperature Range
    Max. 815°C
    Max. 1500°F
  • Flow Range
    0.95...832,791 lpm
    0.25...220,000 gpm
  • Pressure Range
    Max. 620 bar
    Max. 9000 PSI
  • Accuracy
    (uncalibrated) ±1% (calibrated) max. ±0.5%
    (uncalibrated) ±1% (calibrated) max. ±0.5%
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Well suited for measuring liquids gases or steam.

Provides longevity, reliability and long term performance.

  • Low Installation and operation costs
  • Resists wear, maintenance free (no moving parts)
  • Minimal straight pipe distance requirements
  • Mounts in any position
  • Low permanent pressure-loss design
  • Turndown ratio of 10:1, Repeatability of ± 0.1%


Product Specifications

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  • Pipe Size
    76...914 mm
    3...36 in.
  • Pressure Range
    Up to 620 bar
    Up to 9000 PSI
  • Temperature Range
    Up to 815° C
    Up to 1500° F
  • Pressure Loss
    3% of maximum DP
    3% of maximum DP
  • Flow Range
    0.95...832,791 lpm
    0.25...220,000 gpm
  • Accuracy
    ±1% uncalibrated; up to 0.5% calibrated
    ±1% uncalibrated; up to 0.5% calibrated
  • Repeatability
    ±0.1%
    ±0.1%
  • Turndown Ratio
    10:1
    10:1
  • Instrument Connections
    NPT, static tap
    NPT, static tap
  • Standard Beta Ratios
    –10 –20, –38, –65 Exact sizing available to provide custom beta ratios
    –10 –20, –38, –65 Exact sizing available to provide custom beta ratios
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Market Applications

  • Building Design, HVAC & Plumbing

    Flow instrumentation solutions are a crucial aspect of building design, construction and operation for apartments, hospitals, schools, factories and other facilities. From HVAC and grounds management to plumbing and water services, our meters are specifically designed to provide solutions that are accurate and reliable, even under the most challenging conditions.

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  • Process & General Industry

    To succeed in a competitive marketplace, manufacturers must deliver the right product on time, every time, as well as capitalize on opportunities for new products, while maximizing uptime and reducing production costs. These manufacturing and processing industries worldwide depend on precise measurement and control technology flow meters. Badger Meter flow meters produce consistently reliable performance to ensure proper blending, custody transfer and signal transmission as well as compliance with international industry standard requirements. Exceptionally durable flow meters and control products help keep production up and running.

    View Solutions

Product Documentation

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Software & Firmware

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

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