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]
5
10
20
30
40
50
Table 2: Recommended pipe dimensions
Piping system
Geberit Mapress
Geberit Mepla
Geberit PushFit
Geberit Volex
9007206954690955-1 © 02-2021
970.123.00.0(00)
Flush volume [l]
DN12
1
2
3
5
5
7
DN 12
[mm]
15 x 1.0
16 x 2.25
16 x 2.0
16 x 2.0
DN15
1
2
4
7
10
15
DN 15
[mm]
18 x 1.0
20 x 2.5
20 x 2.0
20 x 2.0
EN
DN20
2
3
7
10
15
20
DN 20
[mm]
22 x 1.2
26 x 3.0
25 x 2.5
26 x 3.0
37