Charts and Graphs

Finned Strip Heater Watt Densities @ 600 - 700 F Surface Temperatures - Watt densities on a Finned Strip Heater that will produce 600 to 700 F on the heater surface at various air temperatures and air flow velocities.

Finned Strip Heater Watt Densities @ 800 - 900 F Surface Temperatures - Watt densities on a Finned Strip Heater that will produce 800 to 900 F on the heater surface at various air temperatures and air flow velocities.

Finned Tubular Heater Watt Densities @ 800 - 900 F Surface Temperatures - Watt densities on a Finned Tubular Heater that will produce 800 to 900 F on the heater surface at various air temperatures and air flow velocities.

Tubular Heater Wattage Densities Versus Surface Temperatures - Resulting heater surface temperatures at various watt densities and air flows.

Maximum Watt Densities in Air - Maximum watt densities for various heater types and sheath materials within natural convection air heating applications.

Maximum Watt Densities Based on Sheath Material and Heater Type Maximum watt densities for various heater sheath materials based on heater construction (not limited by application).

Maximum Watt Densities Based on Application Maximum allowable heater watt density for a select list of common materials being heated.

Heat Losses From Uninsulated Metal Surfaces - Watts per square foot of heat loss through uninsulated steel and copper surfaces.

Heat Losses From Insulated Surfaces - Watts per square foot of heat loss through insulated surfaces.

Wind Velocity Heat Loss Correction Factors - Multiplier for adjusting heat loss based on wind velocity effect.

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