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Parallel Downflow


  • Trays: Type 430 SS, pan type, one piece
  • Water distributor: 316 Stn. Stl. Lock-N-Load® Spray Nozzles
  • Design pressure: As required
  • Deaerator top: Welded Steel Plate, ASME stamped
  • Storage tanks: Welded Steel Plate, ASME stamped
  • Vent condenser: Direct Contact Type with Stainless Steel baffling


  • Deaerator performs equally well between the extremes of 100% make-up water (below 50° F) and mostly hot condensate as well as substantial flashing returns
  • Handles higher steam flows through the tray stack. Requires the lowest temperature differential of any deaerator to meet operating warranty; typically 20° F or less
  • Water seal between trays and the spray section eliminates direct impingement of the spray on the trays and insures even distribution of the water over the tray stack
  • Use of trays with less open area than required in counterflow operation maximizes spilling edge and exposes a greater surface of the water to the stripping action of the steam
  • Optimized mixing plus higher steam velocity results in maximum gas removal efficiency
  • Genuine two stage deaeration

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Siemens Rentech Boiler Systems Inc. Gardner Denver Elmo Rietschle Universal Gardner Denver Hoffman & Lamson Newterra Tranter CMS Heat Transfer Division Inc. Henry Technologies Canada Swep Hering AG Clark Reliance Quality Gauge and Valve Zeeco CPE (Chemical Plant & Engineering) Poynton Valves Posi-Flate Butterfly Valves Edward Valves M.A. Stewart and Sons Nibco Unitorq North Port Valves Hills McCanna Damper Technology Ltd Baronshire SIgma Thermal

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