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Requirements for boiler feed water design and requirements include maximum tolerance levels of alkali salt silica phosphates and other elements.Get price
Requirements for feed and boiler water : Unit: Feed water: Boiler water. Appearance Clear and free of mud: Clear and free of mud: Hardness. ppm CaCO 3: 0 5 Chloride content: ppm Cl <15 <100 P alkalinity. ppm CaCO 3 100 150: Total (T) alkalinity. ppm CaCO 3 <2 x P Alkalinity. PH-value at 25°C 8.5 9.5: 10.5 11.5. Hydrazine excess. ppm N 2 H 4Get price
Characteristics of boiler feed water. Characteristics of boiler feed water. Water absorbs more heat for a given temperature rise than any other common inorganic substance. It expands 1600 times as it evaporates to form steam at atmospheric pressure. The steam isGet price
By taking into account the latest codes and standards the boiler operating mode can be defined as follows based upon the electrical conductivity of the boiler feed water: "high TDS": direct electrical conductivity > 30 S/cm "low TDS": direct electrical conductivity 30 S/cm "no TDS": cation ...Get price
Domestic hot water: 14000 - 150000 BTU/H (4.102 - 43.95 kWh) Flow rate (DHW) 77°F temp rise: 3.4 GPM (12.9 l/m) Dimensions: 17.0" W x 28.0" H x 12.0" D (43.2cm W x 71.1cm H x 30.5cm D) Boiler weight: 74 lbs (33.6 kg) Installation type: Indoor wall-hung: Venting type: Forced draft direct vent: Ignition: Electronic ignition: Hydronic water pressureGet price
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