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PRINCIPLE OF OPERATION

The principle of operation of flowmeters of the PhD type is based on measuring the frequency of formation of vortices that occur in the flow of liquid or gas when flowing around a stationary body. When a flow body of a special shape is introduced into the pipeline perpendicular to the flow (usually in the form of a trapezoidal prism facing the flow with a wide side), vortices are alternately torn off from each of its surfaces, creating a so-called "Van Karman track". The frequency of vortex formation, under certain conditions, is directly proportional to the volumetric flow rate of the medium. The vortex paths are located behind the flow body in a "staggered" order, creating pressure pulsations with the frequency of vortex disruption (in the center of the vortex there is - as in an atmospheric cyclone - reduced pressure), which can be transformed by appropriate sensitive sensors.

DOCUMENTATION

 

All Emco PHD products

The group "New Technologies" offers for review the products of the plant Emco PHD: submersible, turbine, vortex, electromagnetic, ultrasonic, magnetic-inductive, embedded flowmeters. Vortex water meters. Flow meters for open channels. Embedded sensors. Converters
  • Inductive flow meters Emco PHD
    Inductive flow meters
    MagFlo series, etc.
  • Vortex flow meters Emco PHD
    Vortex flow meters
    Vortex PHD series, etc.
  • Plug-in flow meters Emco PHD
    Plug-in flow meters
    TapMag series, etc.
  • Vortex water meters Emco PHD
    Vortex water meters
    Hydro-Flow series, etc.
  • Electromagnetic flow meters Emco PHD
    Electromagnetic flow meters
    UniMag Dx, NFP, DemiMag DM, DL
  • Embedded sensors Emco PHD
    Embedded sensors
    DeltaKit series, etc.
  • Ultrasonic flow meters Emco PHD
    Ultrasonic flow meters
    Sono-Trak Transit-time, Doppler, etc.
  • Flow meters for channels Emco PHD
    Flow meters for channels
    ChannelMag series CM2, PM2, etc.
  • Transmitting converter Emco PHD
    Transmitting converter
    series 4411 E, etc.
  • Turbine flow meters Emco PHD
    Turbine flow meters
    Turbo-Bar TMP series, etc.
  • Submersible flow meters Emco PHD
    Submersible flow meters
    V-Bar series, etc.

About Emco PHD

EMSO PHD was formed in 1967 specifically to meet the energy industry's needs for reliable and precision instruments for measuring liquid, gas and steam flow. High technological and metrological parameters of the equipment allowed us to get reliable recognition of customers and the necessary certificates of the State Standard of the Russian Federation.
  • VERSATILITY

    Flow meters allow you to measure the flow rates of any technical gases, saturated and superheated steam, water, condensate, low-viscosity hydrocarbons and other chemicals.
  • reliability

    EMSO PHD products are a vivid example of the quality of US production. The use of modern technologies, highly qualified personnel, a perfect quality control and management system.
  • accuracy

    The use of a natural measuring signal, unique digital filtering and microprocessor processing ensure high accuracy and noise immunity in the most difficult conditions.

Information Board Emco PHD

Learn more about our products Emco PHD.
  • Price list for EMCO PHD flowmeters из каталога Emco PHD
    Price list for EMCO PHD flowmeters
  • Questionnaire for EMCO PHD flowmeters на сайте Emco PHD
    Questionnaire for EMCO PHD flowmeters

NEW TECHNOLOGIES GROUP

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