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Y-Pattern Globe Valves - Flite-Flow Main Steam Isolation Valve

BRAND: Edward

The Flite-Flow Main Steam Isolation Valve is a high-performance, service-proven technology designed for use when Y-pattern globe valves are chosen for nuclear applications.


  • Power

industry sectors

  • Nuclear
  • ASME B16.34
  • ASME Section III
Design Range

Size Range:

  • NPS 24 to 34
  • DN 600 to 850

Pressure Class Range:

  • 600 to 900
  • PN 110 to 260

Seating Material: Metal

Features & Benefits
  • Standards compliance achieved via construction using ASME Section III design code
  • Plant and personnel safety assured by single-stored energy system, redundant control systems and verifiable 2-10 second fail-safe response regardless of main steam system conditions or loss of electrical power
  • Increased reliability due to functional verification prior to plant start-up or during outages
  • High efficiency made possible by optimized flow path plus integrated valve and actuator
  • Environmental and functional qualifications per IEEE requirements


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