Water Tube Boilers – Flexible Water Tube Boilers
– Water Tube Advantages
- Boiler tubes can be replaced without rolling or welding.
Ideal where access to the boiler room is limited, Unilux flexible steel water tube boilers have the advantage of being available in a field erected configuration for either hot water or steam applications .
Tube removal clearance is to the side and requires less space than a fire tube boiler design potentially reducing the boiler room foot print.
UNILUX – Engineered for performance and durability.
Unilux Flexible steel water tube boilers are the preferred boiler design for hot water heating applications due to their resistance to thermal shock. The boiler carries a manufacturer’s 20 year warranty due to failure from thermal shock
The Unilux Water Tube Boiler is available as steam hot water, high temperature hot water ( HTHW) and steam in capacities from 31 to 1500 HP firing natural gas or No 2 oil.
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The eVolve Industrial Boiler
800 – 1,500 boiler horsepower in steam, hot water or high temperature water.
BOILER HORSEPOWER EXPLAINED:
Prior to 1876 Boiler Horsepower was based upon the heating area of a boiler with every 10 square foot of heating surface equaling 1 boiler horsepower. This would mean that a boiler with 200 square feet of heating surface would be rated at 20 boiler horsepower. Not a very exact way to measure the output of a boiler to say the least, especially given the different designs and efficiencies of boilers available.
All this changed at the 1876 Centennial Exhibition held in Philadelphia, PA. There judges decided to use “developed horsepower” which they defined as the ability to turn 30 pounds of 100 degree F feedwater per hour into steam at 70 psi. In 1884, ASME defined Boiler Horsepower as the amount of power required to convert 34.5 pounds of water per hour from feedwater at 212 degree F to dry, saturated steam at the same temperature. Today 1 boiler horsepower is equal to 33,475 Btu/Hour which is the amount of energy required to evaporate 34.5 pounds of water at 212 degree F in one hour.