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
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