Deutsch 5.962-786.0 Rev. 05 (06/13) 59
The following points contain information for a profes-
sional attachment of the pipes as well as the consid-
eration of temperature changes.
The general rule is: Overall pipe length divided by the
minimum attachment distance. The minimum attach-
ment distance usually is 1 meter! In case of a poor
base, however, more attachment points must be pro-
vided. The fastening material is selected in accord-
ance with the characteristics of the wall (lightweight
materials, steel construction, concrete, perforated
brick, sandwich construction) (e.g. by Hilti or Würth).
Clearances for fixing points at junctions and corners
Table 6
6.5 Information for execution
6.5.1 Attachment of pipes
Outer diam-
eter d1
[mm]
Wall thick-
ness s
[mm]
Pipe mass
m [kg/m]
Water ca-
pacity [l/
m]
Flow rate [l/
h]
Fastening
distance a
[m]
Clamp
size
Precision spray lance
ø16 x 2 16 2 0,691 0,133 1200 1 M8
ø20 x 2 20 2 0,888 0,201 2000 1 M8
ø25 x 2.5 25 2 1,387 0,314 4000 1,2 M12
Threaded pipe, heavy
DN 15 21,3 3,25 1,45 0,172 1000...3000 1,2...1,5 M8
DN 20 26,9 3,25 1,9 0,327 3000...5000 1,4...1,7 M12
DN 24 33,7 4,05 2,97 0,515 6000...8000 1,9...2,2 M12
DN 32 42,4 4,05 3,84 0,924 8000...12000 2,0...2,5 M12
Stainless steel pipe
DN 10 10,2 1 0,23 0,053 200 0,8...1,0 M8
DN 15 21,3 2 0,966 0,209 1000...3000 1,2...1,5 M8
DN 20 26,9 2 1,25 0,412 3000...5000 1,4...1,7 M12
DN 25 33,7 2,6 2,02 0,638 6000...8000 1,9...2,2 M12
DN 32 42,4 2,6 2,59 1,087 8000...12000 2,0...2,5 M12
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