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Precision Boilers – Tray Deaerator

Tray Deaeration Capacity: 5,000 PPH to 500,000 PPH
Storage Capacity: 110 gallons to 10,000 gallons of feedwater to overflow

UL508A
ANSI/NFPA 79

Description

Design Advantages:

  • Removal of corrosive oxygen and carbon dioxide from boiler feedwater
  • Reduction in the use of oxygen scavengers and other additives
  • Opportunity to reclaim heat by recovering exhaust and flash steam
  • Improved heat transfer by eliminating non-condensable gases
  • Reduction of thermal shock to the boiler by feeding water closer to the boiler operating temperature
  • Guaranteed oxygen removal to .005 cc/liter (7ppb)
  • Guaranteed to eliminate titratable free carbon dioxide to 0
  • Guaranteed to heat water to the corresponding temperature of the saturated steam contained within the vessel
  • Turndown 20-1
  • Capacities from 5,000 #/hr to 1,000,000 #/hr
  • 10 minutes of storage capacity minimum
  • #430 stainless steel Riveted Trays
  • #304 stainless steel internal vent condenser (direct contact on units > 30,000 PPH)
  • #316 stainless steel spray valves
  • #304 stainless steel tray enclosure
  • Exclusive gliding tray door system for ease of tray inspection and removal
  • All deaerators designed for exact job conditions, no over or under sizing
  • Completely packaged and ready for installation, all vessels designed, built and stamped in accordance with the ASME code for 50 psig

 

Standard Equipment & Connections:

  • ASME Deaerator and Storage Vessels (50 psig design)
  • Structural Steel Stand
  • Motor-Driven Feedpump(s) each with Bypass Orifice or Relief Valve, Suction Vortex Breaker, Suction Piping with Stop Valve, Strainer and Flex Connector
  • Steam Inlet Flange
  • Manual Vent Valve with Orifice
  • Direct Contact Vent Condenser (units > 30,000 PPH)
  • High Temp Return (> 227°F)
  • Low Temp Return (<227°F)
  • Overflow Drainer
  • Self-Operating Steam Pressure Reducing Valve
  • Mechanical Level Control with External Float Cage and Mechanical Modulating Water Inlet Valve
  • Storage Section Thermometer
  • Steam Section Pressure Gauge
  • Full Height Water Sight Gauge(s)
  • High Level Alarm Switch
  • Low Level Alarm Switch
  • Sampling Valve
  • Sentinel Relief Valve
  • Vacuum Breaker
  • Vessel Drain Valve
  • UL Listed NEMA 1 Control Panel
  • Chemical Injection Quill Provision
  • 12″ x 16″ Manway

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