Annex
FLUXUS F401
C Reference
155
UMFLUXUS_F401V2-1EN, 2020-06-12
C.2
Typical roughness values of pipes
The values are based on experience and measurements.
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
Summary of Contents for FLUXUS F401
Page 1: ...FLUXUS F401 UMFLUXUS_F401V2 1EN Operating instruction...
Page 158: ...Annex D Conformity declarations FLUXUS F401 2020 06 12 UMFLUXUS_F401V2 1EN 158...
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