Fisher MR98

fisher mr98

The Fisher MR98 Series is used for backpressure or relief applications in liquid, gas, air and steam service.

The types MR98L, MR98H and MR98HH are direct-operated and spring-loaded. The types MR98LD, MR98HD and MR98HHD use additional pressure loading to maintain relief differential pressures, backpressures or for remote set-point adjustment.


  • Versatility
  • Excellent fluid compatibility
  • Close, stable regulation
  • Small size allows for easy installation in limited spaces
  • Differential pressure capability
  • Sour gas service capability 
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