Johnston Boiler Company 300 Pine Street P.O. Box 300 Ferrysburg, MI 49409‐0300 P 616‐842‐5050 F 616‐842‐1854 Web www.johnstonboiler.com 

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JOHNSTON DEAERATORSJOHNSTON DEAERATORS A division of Johnston Boiler Company 300 Pine Street, P.O. Box 300 Ferrysburg, MI 49409 P. 616-842-5050 F. 616-842-1854 W. www.johnstonboiler.com

Spray and tray deaerators Continuous blowdown heat recovery High pressure condensate recovery Intermittent blowoff Vented receivers

BOILER ROOM EQUIPMENT Lower your maintenance costs

Rely on Johnston’s durable designs Customize each system to maximize your savings

Every system is designed to save you money

Johnston Deaerator Facts  Visit www.johnstonboiler.com for current dimensional data and sample specifica on   Ten year warranty is not prorated and covers pressure vessel, spray devices, and all internals manufactured by Johnston Deaerator.  1/16” Corrosion allowance is designed into each pressure vessel  All undeaerated sec ons  are constructed using stainless steel internals  Stainless steel tray bundles incorporate riveted design allowing for thermal expansion 

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Series 550 High Pressure Condensate Return

Maintains BTU value of high pressure returns Feed condensate to boiler directly Lower Delta T between condensate return and boiler operating

temperature

Series 285

Tray Type Deaerator And High Pressure Condensate Return

High pressure condensate is returned directly to the boiler

Deaerator section is only used as make-up water is needed

Series 200 Two Stage Spray Type Deaerator

20:1 turndown Reduces corrosion in boilers, pumps, and pipes

Series 557 Intermittent Blowoff Tank

Pre-cools condensate prior to drain Mixes stored condensate with blowdown to

minimize cooling water requirements

Series 240 and 250

Two Stage Tray Type Deaerator

Suitable for high pressure returns Minimal steam requirements over entire operating range

Series 850 High Pressure Condensate Return

Maintains BTU value of high pressure returns Feed condensate to boiler directly Lower Delta T between condensate return and boiler operating

temperature Suitable for high pressure returns Minimal steam requirements over entire operating range

Deaerators

Size ranges: 10,000 lbs/hr thru 100,000 lbs/hr MaximumO2 of 0.005 cc/l and zero Co2

Designed, constructed, and stamped for Section VIII , Division I, Unfired Pressure Vessel Ten year warranty on pressure vessel (

Condensate Return and Blowoff Tanks