Thermal insulation of pipes.
Heat-insulating designs make of special materials which main property - small heat conductivity. Distinguish three groups of materials depending on heat conductivity:
Low heat conductivity to 0,06 W / (mv°s) at an average temperature of material in a design of 25 °C and no more than 0,08 W / (m * °C) at 125 °C.
Average heat conductivity 0,06. 0,115 W / (m - °C) at 25 °C and 0,08...0,14 W / (mv°s) at 125 °C.
The increased heat conductivity 0,115... OD75 of W / (m - °C) at 25 °C and 0,14.0,21 W / (m - °C) at 125 °C.