Fisher CS800

Fisher CS800 Series direct-operated, spring-loaded regulators have been engineered to fit a multitude of commercial and industrial pressure-reducing applications. 

This flexibility is provided by the numerous body sizes and end connections, outlet pressure settings, orifice sizes, as well as the option for internal or external pressure registration.

In addition to application flexibility, the CS800 Series offers multiple overpressure protection options to meet your demands on application requirements.


  • Flow-optimized disks provide the maximum flow for your application
  • Largest number of overpressure protection offerings in the industry
  • Wide variety of body sizes and end connections
  • Body materials available in gray cast iron, ductile iron and steel
  • Fixed Factor/Pressure Factor Measurement (PFM) accuracy capabilities
  • Only standard tools required for pressure adjustment and orifice removal
  • Simplified maintenance
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