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63EG Series

Test Product

Fisher Type 63EG pilot-operated pressure relief valves may be used for both liquid and gas service.

It is also suitable for throttling backpressure or bypass applications. The main valves in both constructions use quick-change trim package for fast maintenance.

A Position Monitor Bracket (PMB) is available for the Type 63EG to mount the 4300 Series Wireless Position Monitors to the travel indicator. The PMB mounting kit is compatible with both Topworx 4310 and Fisher 4320 Wireless Position Monitors.


  • Full Usable Capacity
  • Fast Pilot Reseat
  • Low Build-up Capability
  • Stable Startup
  • Noise Reduction Capability
  • Overpressure Protection
  • Thorough Laboratory Testing
  • Easy In-Line Maintenance
  • In-Service Travel Inspection
  • Differential Control
  • Quick Change Trim Package
  • No Assembly Adjustments
  • Versatility in both Liquid and Gas Service
  • Position Monitor Bracket (PMB) available

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