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F-2700 Series Insertion Vortex Flow Meters

          F-2700 Series Insertion Vortex Flow Meters deliver accurate mass flow measurement without the need for an external flow computer. They can be a great choice for steam and medium or high temperature hot water flow.

          In the right applications, insertion style vortex meters provide a very reliable and cost effective solution for mass flow measurement. They are often the best choice for flow measurement in larger diameter pipes where the expected process flow rates are within the operating range of the meter.

          The standard loop powered version of the vortex flow meter is equipped with the internal temperature compensation required for direct mass flow measurement of saturated steam. Each F-2700 Vortex Flow Meter is provided with a 4-20mA analog output for flow rate, a pulse output for totalization and a built-in user interface and display. The standard loop powered meter also includes HART. Optional versions are available with internal pressure compensation, multiple analog outputs and BACnet or MODBUS serial communications.

APPLICATIONS

   • Saturated steam
   • Hot water to 500° F (260° C) standard 750° F (400° C) optional
Applications with optional pressure sensor
   • Superheated steam to 500° F (260° C) standard 750° F (400° C) optional
   • Compressed air
   • Industrial gas
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GENERAL SPECIFICATIONS

ACCURACY
Steam and gases (Reynolds Number ≥ 10,000)
 Percent of reading accuracy to within:
± 1.0% for steam and gases (volumetric)
± 1.5% for steam and gases (mass)
 Repeatability: ± 0.2%
 Long term stability: ±0.2% over a period of 1 year
Liquids
± 0.7% for liquids (volumetric)
 Repeatability: ± 0.2%
 Long term stability: ±0.2% over a period of 1 year
SENSING METHOD
• Vortex shedding with integral piezoelectric sensors
• Integral 1,000 W platinum RTD (optional) provides instantaneous temperature
• Integral pressure transducer (optional) provides instantaneous pressure.
OPERATING TEMPERATURE RANGE
Ambient:  -40° F (-40° C) to +185° F (+85° C)
Process:   -330° F (-200° C) to +500° F (+260° C)
Optional high temperature limit:   +750° F (+400° C)
MAXIMUM OPERATING PRESSURE:  ≤ Flange rating or 1500 psi (103 bar)
PRESSURE LOSS
Pressure loss varies with meter size and flow rate.
Please contact ONICON for detailed information.
CONNECTION TYPE
• 2″ ANSI Class 150 Flange with Packing Gland
• 2″ ANSI Class 300 Flange with Packing Gland
MATERIALS
• Wetted Metal Parts: 316L Stainless Steel
• Electronics Enclosure: Epoxy painted aluminum

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