Honeywell BCU 460 - Page 46

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