Fisher 8580 Rotary Valve

Fisher Controls 8580 Rotary ValveThe Fisher 8580 rotary valve offers excellent throttling performance, high cycle life and rugged reliability. 

This valve features an eccentrically-mounted disk with either soft or metal seal, providing capability for enhanced shutoff. The interchangeable sealing technology allows for the same valve body to accept both soft and metal seals.


  • Approximately liner flow characteristic for precise throttling control
  • Meets global standards: API, ASME and EN
  • PEEK/PTFE bearing as standard
  • Spline-ended shaft
  • Improved shaft-disk pinning
  • New spring-loaded shaft
  • Long seal life
  • Excellent emissions capabilities
  • Sour service capability
  • Field-reversible valve action
  • Easy installation
  • Excellent shutoff
  • Reliable flange gasketing surface
  • Integral shaft-to-valve body bonding
  • Powder paint as standard
  • High temperature capability
  • Shaft retention
  • Travel indication
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