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Heat loss to surrounding air from insulated copper tubes.
The heat loss from insulated copper pipes or tubes to surrounding air are indicated below. The heat loss is based on temperature difference
55 with insulation thickness oC (99 oF) 25 mm (1 inch) and conductivity coefficient k = 0.043 W/m oC (0.3 Btu in/ft 2 hr oF).
Insulated Copper Tubes - Heat Loss
Nominal bore Heat Loss
(mm) (inches) (W/m) (Btu/hr ft)
1 W = 3.4 Btu/hr
1 ft (foot) = 0.3048 m
Download and print Insulated Copper Tubes Heat Loss Chart
Heat loss from pipes, tubes and tanks - with and without insulation - foam, fiberglass, rockwool and more.
Heat transfer and heat loss from buildings and technical applications - heat transfer coefficients and insulation methods to reduce energy consumption.
Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.
Hot and cold water service systems - design properties, capacities, sizing and more.
Water and gas copper tubes according ASTM B88M - type K, L and M - metric units.
Working pressures of metric sized copper tubes according the BS (British Standard) 2871.
Hot water heat carrying capacities in copper tubes type L.
Heat loss from uninsulated copper tubes vs. temperature differences between tube and air.
Temperature limits for commonly used insulation materials.
(W/m) from 1/2 to 6 inches insulated pipes - ranging insulation thickness 10 to 80 mm and temperature differences 20 to 180 . oC
(W/ft) diagrams for 1/2 to 6 inches insulated pipes - ranging insulation thickness 0.5 to 4 inches and temperature differences 50 to 350 . oF
Conductive heat losses through cylinder or pipe walls.
Steam tracing of pipe lines can be done to maintain appropriate product temperatures.
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