Difference Between Boiler Mountings And Boiler Accessories

Boiler Mountings vs Boiler Accessories

Boiler Mountings

  • Boiler mountings are components used for ensuring the safety of boiler operation.
  • These are generally mounted on the surface of the boiler.
  • Control fluid parameters at the inside of the boiler shell.
  • The mountings are the essential part of a boiler, without which boiler operation is impossible.
Examples: Pressure gauges, Water level indicator, Safety valves, Stop valve, Fusible plug, Blow off cock, etc.

Boiler Accessories

  • Accessories are the auxiliary items required for proper operation of boiler and improve the efficiency of it.
  • These are integral parts of the boiler, but not mounted on it.
  • Control fluid parameters at outside of the boiler.
  • These are not essential parts of the boiler, without which boiler can operate though at lower efficiency.
Examples: Super heater, Feed pump, Injector, Economizer, Steam separator, Air preheater, etc.

Quick Comparison Boiler Mountings and Boiler Accessories

Boiler Mountings
Boiler Accessories
Components that ensure boiler safety
Components improve the boiler efficiency

Essential part of a boiler
Boiler Accessories are not essential

Mounted on the boiler surface
Integral parts of the boiler, but not mounted on it

Boiler Mountings control fluid parameters inside of the boiler shell
Boiler Accessories control fluid parameters at outside of the boiler

Examples: Pressure gauges, Blow-off cock, Safety valves, Water level indicator, Stop valve, Fusible plug
Examples: Superheater, Air preheater, Feed pump, Economizer, Injector, Steam Separator

Different types of boiler accessories and their functions
Comparison between steam separator and steam trap

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