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Installation Requirements - Page 10
Fig 6
Safety Valve Setting (bar)
Initial System Pressure (bar)
Total Water Content of System
litres
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
425
450
475
500
For system volumes other than
those given above, multiply the
system volume by the factor across
Table 2. Expansion Vessel Requirements
Deduct from the value given in the table
the10 litre expansion vessel supplied.
3.0
1.0
1.5
VESSEL VOLUME (L)
litres
litres
2.7
3.9
5.4
7.8
8.2
11.7
10.9
15.6
13.6
19.5
16.3
23.4
19.1
27.3
21.8
31.2
24.5
35.1
27.2
39.0
30.0
42.9
32.7
46.8
35.7
50.7
38.1
54.6
40.9
58.5
43.6
62.4
46.3
66.3
49.0
70.2
51.8
74.1
54.5
78.0
0.109
0.156
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