Appendix
23
Pressure Drop Information
Pressure drop on domestic hot water side
Pressure drop on heating water side
(secondary circuit)
(primary circuit)
42 and 53 USG / 160 and 200 ltr storage capacity
42 USG / 160 ltr storage capacity
92 and 120 USG / 350 and 450 ltr storage capacity
53 USG / 200 ltr storage capacity
92 USG / 350 ltr storage capacity
120 USG / 450 ltr storage capacity
Pr
es
su
re
dr
op
Waterflow
ltr/min
USGPM
8
20
“w
.c
.
mb
ar
80
21
0.8
2
1.2
3
1.6
4
2
5
2.4
6
3.2
8
4
10
0.4
1
10
3
20
5
30
8
40
11
50
13
60
16
Pr
es
su
re
dr
op
Waterflow
ltr/h
USGPM
400 1000
“w
.c
.
mb
ar
44
10
000
16
40
20
50
24
60
32
80
40
100
80
200
120
300
160
400
200
500
240
600
320
800
1.6
4
2
5
2.4
6
3.2
8
4
10
8
20
12
30
1.2
3
2.
2
500
2.
6
600
3.
5
800
4.
4
1
000
9
2
000
13
3
000
18
4
000
22
5
000
26
6
000
35
8
000
