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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

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Related Topics

• Heat Loss and Insulation - Steam and condensate pipes - heat loss uninsulated and insulated pipes, insulation thickness and more
• Pipe Sizing - Sizing steam and condensate pipes - pressure loss, recommended velocity, capacity and more
• Steam and Condensate - Steam & condensate properties - capacities, pipe sizing, systems configuration and more

Related Documents

• Design of Steam Heating Systems - An introduction to the basic design of steam heating systems
• Steam & Condensate Equations - Steam consumption and condensate generation formulas heating liquids or gas flows