
VACUUM LEAK DETECTOR
VLR ..
and
VLR .. MV
20/05/2020
- 30 -
5.7.6 Double-walled pipe, individual pipe with low vacuum
20
Three-way valve, suction line
21
Three-way valve, measuring line
27
Liquid stop valve
43 Measuring
line
57 Test
valve
68 Suction
line
74 Connection
line
88 Double-walled
pipe
95
Pressure compensation vessel
96 Node
point
Here:
must (geodetically) be under 157!
157
Lowest point of the interstitial space
88
68
27
96
74
27
157
95
43
57
20
21
VLR 34
< 0,3 m
Mounting