![]() ![]() The KW calculation to raise the temperature of a material in a tank (heat-up) starts with the same information required in the maintain application. ΔT = difference between the process set point temperature and lowest ambient temperatureĪ 42’ diameter x 40’ tall crude oil tank with R-6 insulation needs to be maintained at 75☏ given a minimum ambient temperature of 10☏.Ī = (2 x 3.14 x 21 x 40) + (2 x 3.14 x 21²) See the chart below for typical examples.Use 0.5 as the R-value of an uninsulated steel tank.To calculate the KW required to maintain the temperature of a tank you will need to determine the tanks surface area, process temperature to be maintained, minimum ambient temperature and the R-value of the insulation.Ī (ft²) = 2 x Īfter determining the tanks surface area the maintain KW can be calculated as follows: You can also visit our website and utilize our online calculator look for the free calculator link near the top of the page. Below are the calculations for each application. When selecting a heater for tank heating application you must first determine whether the application requires that the temperature be maintained or if the temperature needs to be raised. 873 Series Quick Ship SCR Control Panel.873 Series Quick Ship Contactor Control Panel. ![]()
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