Application note A061-GP99

Burner control

Bronkhorst offers mass flow meters with a close coupled motorized valve for integrated control of flows up to 5000 ln/min. Our digital D-6300 MASS-STREAM series is available with several options like a multi-functional display or additional interfaces.

In burner controls and similar applications customers need to maintain the gas supply even in case of complete power failures to avoid expensive oven shut-downs etc. The valve stays in position (= fails in place) in case of a power blackout. These applications often do not need high control speed from 'fully closed' to 'fully open' due to 365 days - 24 hour steady continuous process. So the control speed is sufficient in comparison to direct operated valves. These control valves are not shut-off valves and they are not 100% gastight.


Application requirements

  • Valve should 'stay in position' in case of a power failure
  • Flows up to 5000 ln/min Air equivalent
  • 24 h steady continuous process
  • Kv value up to 4.4
  • Pmax = 16 bar (g)

Optional features

  • Multi-functional display
  • Additional interface

Process solution

Industrial sectors

  • Glass
  • Ceramics
  • Metal
  • Waste incineration
  • Heat treatment
  • Burner
  • ...

Summary of valve features
  • Two models available: standard / degreased (for oxygen)
  • ΔPmax: 16 bar(d)
  • Body material: Brass
  • Classification: IP54
  • Valve function: Stays in position
  • Motor replaceable without disassembling

Read more about direct through-flow principle
Schematical drawing
Schematical drawing

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