A-TypeWatertube Boiler

The English Boiler open bottom “A” type boiler is available for pressurized or balanced draft operation.


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  • Capacities from 20,000 lb/hr to 250,000 lb/hr
  • Saturated and/or Superheated Steam
  • Design pressures up to 1200 psig
  • Superheated steam temperatures up to 900°F
  • Suitable for gas, oil , wasteheat


  • Rectangular Furnace
  • Gas outlet at top front
  • Open bottom units suitable for solid fuel firing**