Flexim FLUXUS G809 - C.3 Typical properties of selected fluids at 20 °C and 1 bar

Annex
FLUXUS G809 C Reference
179
UMFLUXUS_G809V2-2EN, 2020-06-25
C.2 Typical roughness values of pipes
The values are based on experience and measurements.
C.3 Typical properties of selected fluids at 20 °C and 1 bar
material absolute roughness [mm]
drawn pipes of non-ferrous metal, glass, plastics and light metal 0…0.0015
drawn steel pipes 0.01…0.05
fine-planed, polished surface max. 0.01
planed surface 0.01…0.04
rough-planed surface 0.05…0.1
welded steel pipes, new 0.05…0.1
after long use, cleaned 0.15…0.2
moderately rusted, slightly encrusted max. 0.4
heavily encrusted max. 3
cast iron pipes:
bitumen lining > 0.12
new, without lining 0.25…1
rusted 1…1.5
encrusted 1.5…3
fluid (display) explanation sound speed [m/s] kinematic viscosity [mm
2
/s] density [g/cm
3
]
Aceton acetone 1190 0.4 0.7300
Ammonia(NH3) ammonia (NH
3
) 1386 0.2 0.6130
Gasoline gasoline 1295 0.7 0.8800
Beer beer 1482 1.0 0.9980
BP Transcal LT BP Transcal LT 1365 20.1 0.8760
BP Transcal N BP Transcal N 1365 94.3 0.8760
Diesel diesel 1210 7.1 0.8260
Std. natural gas natural gas, stan-
dard composition
433 12.42 0.0010
Ethanol ethanol 1402 1.5 0.7950
HF acid 50% hydrofluoric acid
50 %
1221 1.0 0.9980
HF acid 80% hydrofluoric acid
80 %
777 1.0 0.9980
Glycol glycol 1665 18.6 1.1100
20% Glycol / H2O glycol/H
2
O, 20 % 1655 1.7 1.0280
30% Glycol / H2O glycol/H
2
O, 30 % 1672 2.2 1.0440
40% Glycol / H2O glycol/H
2
O, 40 % 1688 3.3 1.0600
50% Glycol / H2O glycol/H
2
O, 50 % 1705 4.1 1.0750