What is Pressure Parts of Boiler ? Name & Working . important topic for Interview

What is Pressure Parts of Boiler ? Name & Working . important topic for Interview
Pressure parts of a boiler are the parts that are exposed to high internal pressure from steam or water. These parts include:
Economizer with inlet headers
Hanger tubes with inlet & outlet header
Steam drum
Riser & down comers
Combustor furnance water wall
Compact separator
Seturated steam link
Convection cage
Cross over Duct
Primary super heater
Secondary super heater
Final ( wing wall ) super heater
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