Fisher NotchFlo

Fisher control valves NotchFloFisher NotchFlo DST control valves offer excellent control of liquid services with high pressure drops and entrained particulate. 

The dirty service anti-cavitation trims feature multi-stage protection against damaging effects of cavitation and erosive solids.

Features:

  • Long trim life: NotchFlo DST control valve feature a protected seat design whereby the shutoff function is separate from the throttling areas of the trim.
  • Class V shutoff: use of hardened metal seats provides tight shutoff to minimize seat erosion.
  • High pressure drop: Rugged cage guiding of the plug, combined with a staged pressure drop, enables the NotchFlo DST control valve to be effective in a wide range of allowable high pressure drop applications.
  • Sour service capability
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