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5.1 Booster modules connected in series and in
parallel
•
For modules connected in series, mounted above each other,
we recommend to connect the pipes as shown in fig. 6.
•
For modules connected in parallel, mounted above each other,
we recommend to connect the pipes as shown in fig. 7. This
layout ensures that the modules are filled with water before
starting.
•
For modules connected in series and parallel, mounted above
each other, we recommend to connect the pipes as shown in
fig. 8.
•
For modules connected in series and fitted with a bypass,
mounted above each other, we recommend to connect the
pipes as shown in fig. 9.
Symbols used in figures
6
to 9:
: Air escape valve
Air escape valve
: Isolating valve
Closing valve
: Non-return valve
Non return valve
Pressure switch
: Pressure switch
Flow switch
: Flow switch
Pressure gauge
: Pressure gauge
Motor operated valve
: Motor-operated valve
Diaphragm tank
: Diaphragm tank
Fig. 6
Booster system with four modules connected in series,
mounted above each other
Bypass
Bypass
Bypass
Bypass
Bypass
Bypass
Bypass
Bypass
Fig. 7
Booster system with four modules connected in
parallel, mounted above each other
4
Bypass
Bypass
4
3
2
1
4
3
2
1
Fig. 8
Booster system with two modules connected in series
and in parallel, mounted above each other
Bypass
Bypass
Fig. 9
Booster system with four modules connected in series
with bypass, mounted above each other
As venting problems may arise in such installations,
Note
it is advisable to install suitable vent devices.
6. Pipe connection
The booster modules are fitted with clamp liners for Victaulic/PJE
clamp couplings on the suction and discharge sides. See fig. 10.
Gap
Pipe system
Clamp liners
Fig. 10 Pipe connection using clamp couplings
Avoid stress in the pipe system.
Caution
Clean Victaulic connections, rubber and pipes, with
Note
freshwater in order to prevent crevice corrosion.
Size
Type
BM 4"
BM 3A - BM 9
BM/BMhp 6"
BM 17 - BM 60
BM 8"
BM 30 - BM 46
BM 8"
BM 60
BM/BMhp 8"
BM 77 - BM 95
BM/BMhp 8"
BM 125 - BM 215
Bypass
Bypass
4
3
Bypass
Bypass
2
1
4
3
2
1
Booster module
Victaulic
Gap
coupling
[mm]
∅42
1 1/4"
1
∅89
3"
3
∅89
3"
3
∅114
4"
6
∅139
5"
6
∅168
6"
6
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