johnstonboiler.comjohnstonboiler.com/wp-content/uploads/2014/09/Firetube-vs-Water... · This boiler...
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johnstonboiler.comjohnstonboiler.com/wp-content/uploads/2014/09/Firetube-vs-Water... · This boiler has a steam and mud drum. These two drums are interconnected by a bank of asymmetrical