Dual Rotary Disc Valve (DRDV)

DUAL‘s Rotary Disc Valve is a unique rotating gate valve designed specifically for heavy abrasive and corrosive slurries. The patented design allows the valve to cycle in heavy slurries without sticking.

FEATURES

  • No blocking or leakage.
  • Disc can be replaced in situe.
  • No sticking, (due to no guides).
  • Long wear life, (due to rotating gate/disc).
  • Self clearing gate action.
  • Seals in both directions.
  • Wedge for positive seal.
  • Cut away to clean seating area.
  • Fabricated valves can be repaired in line.
  • Seal out of flow when in open position.
  • Rising or non-rising spindle.
  • Back Seat to repack gland packing under pressure.

Document

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