WKM DynaCentric High-Performance Butterfly Valves

High performance of ball and gate valves with the low-cost, lightweight benefits of a butterfly valve design

Product Features

  • Flangeless wafer and threaded lug body styles available
  • Heavy-duty disc with wide disc edge
  • Corrosion-resistant, single-component thrust bearing/disc spacer
  • Internal stop
  • Deep stuffing box for extended life
  • Lower stem disc spring
  • Disc design reduces seat wear
  • Positively retained stem
  • Prevents blowouts
  • Three seat designs


  • Sizes: 2-1/2” through 36” (65 mm through 900 mm)
  • Working pressure ASME Classes 150 to 600
  • Operating temperatures Up to 1000º F (538º C)
  • Body styles: Flangeless wafer, threaded lug
  • Standard materials: Body – Carbon steel, stainless steel; Stem – 17-4 Stainless steel; Disc – Stainless steel; Seat – S02 – TFM, F02 – Fire-tested, M01/ M03 – Metal seat


  • High-pressure water, oil, steam, gas, and slurry applications
  • Chemical and petrochemical processing
  • Utilities
  • Pulp and paper
  • Oil and gas production
  • Fuel handling systems
  • Air conditioning and refrigeration
  • Marine
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