Getting Your Commercial Boiler Ready for Shutdown
2019-4-15 · Never trust a check valve to prevent backflow when your life is at stake. A double block and bleed arrangement or a blind flange in the system are preferred LOTO methods for life safety risks. Fight the urge to cool the boiler quickly by opening the doors or running the combustion air blower. The best thing to do is to isolate the boiler and ...
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