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Deaerator/Boiler Feedwater & Condensate Surge/Make-up Systems

All EnviroSep, Deaerator/Boiler Feedwater & Condensate Surge/Make-up Systems are designed and manufactured as an integrated package to provide consistent pre-heated boiler feedwater for continuous operation-configured systems, while removing corrosive oxygen to below 0.005 mg/l. EnviroSep Systems carry as standard an Underwriters Laboratories (UL) Listing as a Packaged Pumping System, come equipped with an integrated, UL-Listed Industrial Control Panel, and are guaranteed to provide the performance specified. As a manufacturer of Totally Integrated Engineered Systems, such as: Heat Transfer Systems, Reverse Osmosis & Wastewater Reuse Systems, and Wastewater Heat Recovery Systems, EnviroSep offers a unique alternative to stand-alone systems. All systems are fabricated and welded per ASME, Section IX Code and Standards and are hydrostatically tested prior to shipment. The offerings of this brochure do not fully illustrate the abilities of EnviroSep to custom design and manufacture Integrated system for nearly all applications.

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View Deaerator / Boiler Feedwater & Condensate Surge / Make-up Systems - Specifications

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Standard Construction

• Automatic Feedwater Pump Staging based on Actual Boiler Demand
• Automatic Transfer Pump Staging based on Actual Deaerator Demand
• Automatic Steam Closure with Pumps Off
• Configured for Local/Remote operation
• Automatic Lead Pump Alternation based on Actual Run Hours
• Field Adjustable Feedwater Temperature and Pump Staging Controls
• Manual Bypass of Control Valves without disabling system from operation
• Sentinel Relief and Safety Relief Valves
• High/Low Level Alarms
• Pre-configured Auto-Level Control
• Oversized Pump Suction Lines to negate Pump Cavitation
• Auto Recirculation Orifices for No-Flow Conditions
• Low NPSH Multistaged, Vertical, Centrifugal Pumps
• Automatic Stand-by Pump Start on Primary Pump Failure
• UL-Listed Control Panel with single point power connection
  

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Conditions of Operation

• All Condensate Return from the facility is returned to the Condensate Surge Tank. The Surge Tank is sized to allow for wide fluctuations in condensate return levels.
  
• Softened, Make-up Water is blended with the returned condensate. The Blended Water provides a consistent quality of water which creates a more balanced operating system.
  
• Blended Water is then transfered to the Deaerator.
  
• Blended Water enters the Steam Chamber in conical sheets, where a pressurized steam atmosphere saturates the Blended Water to remove corrosive, non-condensible gases.
  
• Final Deaeration occurs as the water passes through a high velocity atmosphere of pure steam, where the last traces of harmful gases are removed, while similtaneously preheating the water to boiler feedwater conditions.
  
• An internal vent allows the non-condensible gases to be released to the atmosphere.
  
• Preheated, deaerated Boiler Feedwater is stored in the Deaerator Vessel.
  
• Treated, Boiler Feedwater is transfered to the Boilers through a continuously operating pump system.
  

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NOTES:
Actual Pump configuration and horsepower are based on specific head requirements; i.e., normal boiler operating pressure including piping losses to boiler system.
Vessel and Tank sizing is based on a 10 minute retention time to normal operating level. Actual retention time may vary due to specific site conditions.
Dimensions and weight of quoted system may vary from above tables due to discharge head, clearance at specific location, boiler operating pressure, etc.
Overall deaerator height based on 120" Frame
Overall condensate surge height based on 72" Frame
Actual, available softened water pressure/flow and available steam pressure may cause variance to the above tables.
Decrease in height of 120" deaerator frame and 72" condensate surge tank frame is available at customers request. The frame heights given in the above tables, offer optimum efficiency of the system, while ensuring that the system meets design requirements.

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For more information on how EnviroSep can provide your company with an Integrated Solution for your Fluids Handling, Heat Transfer, and/or Energy Recovery needs, use our quick & easy Online Quote Request Form, call our main office at 843-546-7400 (you can fax us at 843.546.7407) or

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