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Valve proving system
Test volume V
p1
Test volume V
is calculated from the valve volume V
p1
added to the volume of the pipe V
metre in length L.
L
Valves
Type
Volume V
VAS 1
0.08
VAS 2
0.32
VAS 3
0.68
VAS 6
1.37
VAS 7
2.04
VAS 8
3.34
VAS 9
5.41
VG 10
0.01
VG 15
0.07
VG 20
0.12
VG 25
0.2
VG 40/VK 40
0.7
VG 50/VK 50
1.2
VG 65/VK 65
2
VG 80/VK 80
4
VK 100
8.3
VK 125
13.6
VK 150
20
BCU 460, BCU 465 · Edition 11.19
for each additional
R
V
= V
+ L
V
x
p1
V
R
Pipe
Volume per metre
[l]
DN
V
V
R
10
15
20
25
40
50
65
80
100
125
12.3
150
17.7
200
31.4
250
,
V
Type
VK 200
VK 250
The measurement time required for the test volume V
[l/m]
must be set on the basis of the calculation using pa-
0.1
rameter A056.
0.2
For the calculation, see page 47 (Calculation exam-
0.3
ples).
0.5
1.3
▼
2
3.3
5
7.9
49
V
= V
L
p1
Valves
Volume V
[l]
V
42
66
+ L
V
x
V
R
Pipe
Volume per metre
DN
V
[l/m]
R
p1
46
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