Is an economical thickness calculation used for pipe heat insulation?
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For a flue pipe that is not used for heat recovery but only for protection against burns, should the thickness be calculated based on economic considerations?
Calculation using the surface temperature method ensures that the surface temperature remains below 60°C, preventing burns.
You can refer to the atlas “98R418”, which contains the calculation methods and installation instructions
What was said on the second floor is correct; it’s sufficient to ensure that the surface temperature in areas that can be touched by people remains ≤60°C, and no insulation is needed for the other areas.
Those upstairs have explained \"surface temperature\" very clearly. The ambient temperature should be the average value for the hottest month (not the ambient temperature used in ordinary insulation calculations); that will suffice
Is there any reference value used for this calculation? Just as in heat retention calculations, the thickness value is adjusted based on heat loss.
I don’t think it’s necessary; as long as the strength is sufficient, that’s enough