Ultraflo Butterfly Valve 399-392 Lugged

Ideal for sanitary / chemical applications. Critical stainless steel components

There are many different variations available to fit your specific needs. Please Contact Us for a free quote or consultation.

UltraFlo Butterfly Valve 399-392 Series


  • Sanitary, Chemical, Corrosive Applications
  • Bi-directional pressure rating of 150 psi
  • Stainless steel disc/stems and 100 psi with encapsulated disc/stems
  • Undercut disc/stems rated 50 psi also available
  • High flow, minimal product entrapment, complete protection of valve components
  • Sizes range from 2" to 12"
  • Wafer style bodies offered in Stainless Steel, Cast Iron, and Aluminum
  • Resilient seat
    • Dove tail retention system for positive alignment
  • Flange seal molded into seat face for positive seal with all flanges


  • Size Range: 2"-12" (50mm - 300mm)
  • Body Style: Wafer, Lug
  • Temperature Range: -40°F to 400°F (-40°C to 204°C)
  • Pressure Ratings: Bidirectional: 150 psi - 50 psi
  • Body Materials: Cast Iron, Nodular Iron and Investment Cast 316 Stainless Steel. Aluminum bodies available in wafer only.
  • Disc/Stem Materials: 17-4 Stainless Steel and Investment Cast 316 Stainless Steel, available with satin or high polish finish. PTFE encapsulated and other custom disc coatings are available.
  • Seat Materials: PTFE lined, EPDM, Nitrile, Buna, FKM. Nitrile seats are available in FDA food grade white.
  • Applications: Sanitary, Chemical and Corrosive Applications


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