5 Installation at Site
26 of 76
EtaLine Pro
1168.87/01-EN
5.5.2 Permissible forces and moments at the pump nozzles
Fig. 12:
Forces and moments at the pump nozzles
The data on forces and moments apply to static piping loads only. The values are only
applicable if the pump is installed on a baseplate and bolted to a rigid and level
foundation.
Table 6:
Forces and moments at the pump nozzles
Size
DN
F
x
F
y
F
z
∑F
M
x
M
y
M
z
[N]
[N]
[N]
[N]
[Nm]
[Nm]
[Nm]
040-040-090
40
400
450
350
696
450
320
370
050-050-090
50
530
580
470
916
500
350
400
065-065-090
65
650
740
600
1153
530
390
420
5.5.3 Vacuum balance line
NOTE
Where fluid has to be pumped out of a vessel under vacuum, installing a vacuum
balance line is recommended.
The following rules apply to vacuum balance lines:
▪
Minimum nominal line diameter 25 mm.
▪
The line extends above the highest permissible fluid level in the vessel.
1
2
5
4
3
6
Fig. 13:
Vacuum balance system
1
Vessel under vacuum
2
Vacuum balance line
3
Shut-off element
4
Swing check valve
5
Main shut-off element
6
Vacuum-tight shut-off element
