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.06 Pump
ara eris i s
he pump head ava lable for c rculat n
n
N. .
he pump s factor set at pos t on 3
rundfos t pe 15 50
S ser es
Gru d os Pump per orma
No e
n mum o
throu h bo ler heat e chan er at an
t me should not fall belo 6 l tres per m nute
If the total volume of
ater n the s stem e ceeds 40 l tres
an add t onal e pans on vessel must be tted to the central
heat n return p pe
1
Speed sett n s
A
o lers pressure drop
Ava lable pump head C H
SIZING OF ADDITIONAL EXPANSION VESSELS:
Deduct from the value
vessel suppl ed
No e:
1.
ll C H nstallat on to m n 1 5 bar
.
pans on vessel must be tted to central heat n
return p pe
.
he standard
l tre e pans on vessel s char ed
to 1 bar
.
he add t onal e pans on vessel should be char ed
to 1 bar
Pressure loss diagram
H
mbar x 100
the
ater s
he pump s a
e grap
ven n the table the
l tre
8
7
6
5
4
3
2
1
0
0.5
1
ven
SAFET VALVE
SETTING
ar
VESSEL
A GE
P ESS
E
ar
INITIAL S STE
1 0
P ESS
E
ar
TOTAL
ATE
EXPANSION VESSEL VOL
ONTENT o S STE
LI R S
25
3 5
50
0
5
10 5
100
14 0
125
1 5
150
21 0
1 5
24 5
200
2 0
For s s . olumes o er
a
ose gi e a o e mul .
e s s .
0 140
olume
e a or a ross
Q
3
m |h
1.5
2
2.5
3 0
0 5
1 0
1 5
2 0
1 5
2 0
E li res
6 5
13
4
10 3
12 9
2 5
9 5
20 6
19 4
41 3
14 2
30 9
25 9
55 1
19 0
41 2
32 4
6 9
23
51 5
3
2 6
2 5
61
45 3
96 4
33 2
2 1
51
110 2
3 0
2 4
0 259
0 551
0 190
0 412
1 5
2 0
3
16 5
24
33 1
41 3
49 6
5 9
66 2
0 33
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