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HEATERS FOR EVERY APPLICATION
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Technical: Guide for Heat Losses
Graph 1: Losses from Uninsulated Metal Surfaces

| Curves "A" show heat losses from vertical surfaces of tanks,
pipes, etc. and also top surface losses from a horizontal surface laid flat. Curves "B" show average heat losses from top and bottom surfaces of a horizontal surface laid flat. Curves "C" show heat losses from bottom surface of a horizontal surface laid flat. All curves presuppose still air (approx. one foot per second) at 70°F. |
Graph 2: Losses from Open Hot Water Tanks

Graph 3: Losses from Molten Metal Surfaces

Graph 4: Losses through Insulated Walls (ovens, pipes, etc.)

Graph 5: Losses from Surfaces of Oil Baths

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