Kromschroder FCU 500 - One Test Volume between 2 Gas Solenoid Valves

FCU 500, FCU 505 · Edition 02.17 36
Valve proving system
7.1.2 One test volume between 2 gas solenoid valves
P
Z
L
P
Z
H
FCU 500..C1
µC
P
4
9
13
1
450
45
45
47
58
48
p
u
/2
TC
PZ
PZ
L
PDZ
M
>750°
ϑ
1
2
3
p
u
/2
PZ
V
p1
V1 V2
p
u
p
z
p
d
The tightness control checks the tightness of the test
volume V
p1
between gas solenoid valves V1 and V2.
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