Classifications of Boilers

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According the "ASME Boiler and Pressure Vessel Code" boilers may be classified as

Section I Power Boilers - process boilers, power boilers and high pressure boilers

• boilers in which steam or other vapor is generated at a pressures exceeding 15 psig
• high temperature water boilers intended for operation at pressures exceeding 160 psig and or temperatures exceeding 250 degrees F

Section IV Heating Boilers - commercial boilers, industrial boilers, heating boilers, low pressure boilers

• boilers in which steam or other vapor is generated at a pressures not exceeding 15 psig
• high temperature water boilers intended for operation at pressures not exceeding 160 psig and or temperatures exceeding 250 degrees F

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Related Topics

• Heating - Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more
• Steam and Condensate - Steam & condensate properties - capacities, pipe sizing, systems configuration and more

Related Documents

• ASME - International Boiler and Pressure Vessel Code - The International Boiler and Pressure Vessel Code establishes rules of safety governing the design, fabrication, and inspection of boilers and pressure vessels, and nuclear power plant components during construction
• Boiler Blowdown - Suspended solids entering boilers through feed water will remain behind when steam is generated. After a while the concentration of solids makes the operation of the boiler unsatisfactory
• Boiler Blowdown Rate - Calculating boiler blowdown rate
• Boiler Efficiency - Boiler efficiency - combustion gross and net calorific value
• Boiler Horsepower - Determine boiler horsepower from heat transfer area
• Combustion Processes and Combustion Efficiency - Typical furnace combustion efficiencies - fireplaces, space heater, boiler and more
• Intermittent Combustion and Boiler Efficiency - Reduced efficiency by intermittent boiler operation
• Safety Valves in High Pressure Steam Systems - Sizing safety valves after boiler output power in high pressure systems (kW and Btu/hr)
• Sizing the Boiler Room - Minimum boiler room area