Differential pressure flowmeters

For a wide range of process applications

  • For volume, mass flow and density measurement of liquids, gases or steam
  • Complete flowmeter assemblies with 3-D linearised differential pressure transmitters, calibration and documentation
  • Compliant with all international standards acc. to ISO 5167 and ASME MFC-3M, PED 2014/68/EU and CE marking
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Industrial requirements

Compact orifice plate flowmeter

Integral DP flowmeter for liquids, gases and steam

  • Fast and easy installation without additional engineering, impulse lines and supports
  • Up to +400°C / +752°F; max. 160 bar / 2320 psi (line pressure)
  • Line size: DN50…600 / 2…24"
  • 2-wire 4…20 mA/HART®, FF, Profibus-PA

Integral orifice meter run assembly

DP flowmeter for process applications with small line sizes (down to DN15 / ½")

  • Standardised calibrated meter run assembly, designed acc. to ISO 5167 or ISO TR 15377
  • Up to +400°C / +752°F; max. 160 bar / 2320 psi (line pressure)
  • Flange: DN15…100 / ½...4"
  • 2-wire, 4…20 mA/HART®, FF, Profibus-PA

Averaging pitot tube flowmeter

DP flowmeter for applications with liquids, gases and steam to high-temperature applications with dust-laden gases

  • Fast and easy installation without additional engineering, impulse lines and supports; the best retrofit capability
  • -200…+1150°C / -328…2102°F; max. 320 bar / 4641.2 psi (line pressure)
  • For line sizes DN50…2000 / 2…80" (larger on request)
  • 2-wire 4…20 mA/HART®, FF, Profibus-PA

Flow nozzle meter

DP flowmeter for long-term stable flow measurement with reduced pressure loss

  • Based on ISA 1932, long radius or Venturi nozzle (acc. to ISO 5167-3 or ASME MFC-3M)
  • Accurate flow measurement at high flow velocities (e.g. feed water, steam, condensate, hydrocarbons, refined products, CO2, LH2)
  • Manufacturing capability up to 48”; inhouse calibration also for applications with high Reynolds numbers
  • Complete scope of supply from one source, incl. engineering, documentation, testing, calibration, valves, flow nozzle, process instrumentation, etc.

Venturi flowmeter

DP flowmeter for the highest requirements of accuracy and long-term stability

  • For acceptance testing, billing, reference measurement of steam, feedwater, hydrocarbons etc.
  • Machined or welded and internally machined design acc. to EN ISO 5167 and ASME MFC-3M; low remaining pressure loss
  • Manufacturing capability up to 48”; inhouse calibration also for applications with high Reynolds numbers
  • Complete scope of supply from one source, incl. engineering, documentation, testing, calibration, valves, Venturi, process instrumentation, etc.

Wedge flowmeter

DP flowmeter for harsh process applications with abrasive and viscous media

  • Rugged design, suitable for abrasive/solids-containing fluids and high viscosities (ferromagnetic slurries, coker feed, ADU/VDU residues, etc.)
  • Up to +500°C / +932°F; max. 160 bar / 2320 psi line pressure (others on request)
  • Flange: DN50…600 / 2…24" (others on request)
  • 2-wire 4…20 mA/HART®, FF, Profibus-PA

Cone flowmeter

DP flowmeter for limited installation space

  • Only limited straight inlet/outlet pipe sections required
  • Standard material: stainless steel, other materials on request (e.g. Alloy C276, Alloy 625, Alloy 400, Duplex, etc.)
  • Standard (ISO 5167-5) sizes from DN50…600 / 2…20"
  • 2-wire 4…20 mA/HART®, FF, Profibus-PA
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