EN
Setting the flush volume
The flush volume depends on the pipe length being flushed and the
DN pipe dimension. The following table is used to calculate the
flush volume.
A flush volume of 3 l is set at the factory. The accuracy of the flush
volume setting is +/- 10 % at 3 bar.
Table 1: Calculating the flush volume
Pipe length [m]
Flush volume [l]
DN12
DN15
DN20
5
1
1
2
10
2
2
3
20
3
4
7
30
5
7
10
40
5
10
15
50
7
15
20
Table 2: Recommended pipe dimensions
Piping system
DN 12
[mm]
DN 15
[mm]
DN 20
[mm]
Geberit Mapress
15 x 1.0
18 x 1.0
22 x 1.2
Geberit Mepla
16 x 2.25
20 x 2.5
26 x 3.0
Geberit PushFit
16 x 2.0
20 x 2.0
25 x 2.5
Geberit Volex
16 x 2.0
20 x 2.0
26 x 3.0
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