Conversion coefficients

Conversion coefficients 1

Temperature gradient (°C) 90/70 80/60 75/55 55/45 45/35 39/31 NTL steam 6/12 VPA 6/12 VPT
Coefficient (k1) 1,00 0,82 0,73 0,48 0,31 0,23 1,75 0,40 0,45

Conversion coefficients 2

Room temperature (°C) 10 14 18 19 20 21 22 24 30
Coefficient (k2) 1,25 1,15 1,06 1,03 1,00 0,97 0,94 0,89 0,73

The pressure losses of all units correspond to the calculated medium flow rate, length of the respective unit and copper tube used 16×1.0 mm, as well as the water volume (see layouts for each type).