Steel Watertube Characteristics

Prime Duty: Hydronic heating systems, apartments, office buildings, small commercial/industrial buildings.

  • Economic where high hydrostatic pressure over 30# WWP are required.
  • Boiler not affected by thermal shock, however is subject to flue gas condensation caused by low inlet and/or operating temperatures.
  • Atmospheric firing. Pressure fired not true forced draft.
  • Large refractory surfaces not water-backed cause “hot spots.”
  • Heavy insulation of jackets required.
  • Cannot be used for process steam due to low water content.
  • Medium cost/low longevity.
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