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Product Overview

MEGARF metal tube variable area meters (rotameters) are ideal for high pressure, high temperature and other demanding flow applications where safety is a concern. Features include: globally-recognized approvals for use in hazardous environments, output and digital LCD local display options, multiple process connection options, several available materials of construction for metering of aggressive fluids and corrosion resistance, HART enabled 4-20mA output to provide for remote monitoring and control. The MEGARF’s excellent repeatability makes it a good choice for batching applications. For versions without electronic output, no power supply is required. The MEGARF's low-pressure drop provides additional value by allowing for economical pump selection.

  • Versatile design may be used for gas, and liquids
  • Wide temperature range from -40 to 350 °C
  • High pressure operation up to 420 bar
  • Process connections including NPT threads, ANSI flanged, & Tri-Clamp available
  • Electronics either intrinsically safe ExiaIICT6, or Ex proof ExdIICT6
  • Wide array of materials available including Hastelloy B & C,Ti, Cu, Al, etc..
  • PTFE and other liner materials available

Specifications

DiameterDN15, DN25, DN50, DN80, DN100, DN150
For other diameter, please negotiate with the manufacturer.
Flow rangeLiquid:1.0?150000l/h ??
Gas: 0.05?3000m3/h
Measurement Ratio10:1 (standard),  20:1 (optional)
Accuracy1.5% (standard),  1.0% (optional)
Pressure ratingDN15, DN25, DN50:  4.0MPa(standard), 20MPa max
DN80, DN100, DN150: 1.6MPa(standard)
DN80: Max 10MPa, DN100: Max 6.4MPa, DN150: Max 4.0MPa
Medium temperatureStandard:-30? to +120?
High temperature:120? to 350?
Power supply24VDC(12?36VDC),  Lithium battery
Output signal2-wire 4-20mA, HART
AlarmHigh/Low limit alarm
Output load500?(24V power supply)
Ambient temperatureMechanical type:-40?-120????
Digital with output type: -30?- 60?
Storage conditionTemperature:-40??85???
Humidity:?85%
Process connectionStandard?DIN Flange, other flange standard can be customized.
For other connection modes, please negotiate with manufacturer
Cable entryM20×1.5
Protection levelIP65
Explosion-proofIntrinsic safety type?ExiaIICT6
Flame-proof type?ExdIICT6
Viscosity of mediumDN15???5mPa.s ??DN25???250mPa.s?
DN50?DN150???300mPa.s
Wetted materialR1?304?1Cr18Ni9Ti??????R0?316?0Cr18Ni12Mo2Ti?
RL?316L?00Cr17Ni14Mo2Ti???Ti?Titanium alloy?
RP?PTFE liner

Optional Converter


PRODUCT DETAILS

  • Product Name:
    Variable Area Flowmeter
  • Product Series:
    MEGARF
  • Short Description:
    MEGARF metal tube variable area meters (rotameters) are ideal for high pressure, high temperature and other demanding flow applications where safety is a concern.

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