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Engineering ToolBox > Classification of Steam Heating Systems

Steam systems carries heat through pipes from the boiler to consumers as heat exchangers, process equipment etc.

Steam is common used to carry heat from a boiler to consumers as heat exchangers, process equipment etc. More seldom steam is also used for heating purposes in buildings.

Steam systems can be classified by pressure, method for returning condensate and/or pipe lay out.

Classification of Steam Systems by Pressure

Its common to classify steam systems as

• High pressure above 20 kN/m² (3 lb/in²)
• Low pressure up to 20 kN/m² (3 lb/in²)
• Vacuum

Classification of Steam Systems by Method of Condensate Return

Steam systems can be classified as

• Gravity
• Mechanical

Classification of Steam Systems by Pipe Lay Out

Steam systems can be classified by pipe scheme:

• One pipe or two pipe
• Up-feed or down-feed