Lambda Values
The average lambda values for different types of LOGSTOR pre-insulated pipes are presented below. These lambda values are used for calculations of heat loss from LOGSTOR pipe systems.
Type of pipe
Straight pipe, axial conti production
Straight pipe, traditional production
Straight pipe, spiral conti production
FlexPipe
Fittings
PUR insulation in foamed casing joints
PUR insulation shells for casing joints
Actual lambda value
0,023 W/mK
0,027 W/mK
0,025 W/mK
0,022 W/mK
0,027 W/mK
0,028 W/mK
0,036 W/mK – after 30 years' aging