Water-tube boiler

form of steam-generating furnace

A water-tube boiler is a type of boiler in which water circulates in tubes heated by fire from outside. The fire is produced by the fuel being burned inside the furnace for the boiler.

Diagram of a water-tube boiler
Water-rube boiler from Bangladesh

Design typesEdit

  • Babcock and Wilcox boiler
  • A/D/M/O-type boiler
  • Flex-tube boiler
  • Forced-circulation boiler
  • Low water content
  • Stirling boiler
  • Thornycroft
  • White-Forster
  • Yarrow boiler


  • Marine
  • Railway
  • Stationary