APPENDIX S
OVERPRESSURE LEAK DETECTOR DLR
DLR-
P ..
Statement on the cross-sections of the connecting lines between leak detector
DLR-P and the interstitial spaces
In the past, the connecting lines between the interstitial spaces and the leak detector have been
routed in accordance with TRbF 501 and 502 with the following dimensions:
•
for underground or frost-proof routing: clear width of at least 4 mm,
•
for overground routing or routing at risk of frost: clear width of at least 6 mm.
In future, the European standard for leak detection systems EN 13160 will require
•
connecting lines carrying air to be routed with a clear width of at least 6 mm, and
•
connecting lines carrying nitrogen to be routed with a clear width of at least 4 mm.
This requirement in relation to the routing of connecting lines will have take effect immediately
and continue into the future.
It already has an impact in terms of the approval of leak detectors. This is why a minimum
diameter of 6 mm for the connecting line is required in the approval for the leak detector DLR-
P.. .
Installation of the connecting line with a clear width of 4 mm in accordance with TRbF is
technically accepted and therefore not something which should be questioned at present. From
a technical point of view, there are no objections to using a DLR-P leak detector on pipes with 4
mm frost-free connecting lines which are routed underground or inside between interstitial
spaces and the leak detector.
Siegen, 25.05.2004
J. Berg
-Executive Board-
06/04/2006
- 1 -
27/38
Summary of Contents for DLR-P
Page 18: ...Ex 17 102 72 22 09 2005 M1 078 000 76 30 21 20 70 Ex Ex 02 74 57 88 18 38...
Page 19: ...57 88 99 99 57 88 88 02 22 09 2005 M2 078 000 Ex Ex Ex 230 V 50 Hz 21 20 72 71 69 01 09 19 38...
Page 20: ...88 88 22 09 2005 M3 078 000 Ex Ex Ex 230 V 50 Hz 21 20 72 71 69 01 09 20 38...
Page 21: ...88 22 09 2005 M4 078 000 Ex Ex Ex 230 V 50 Hz 21 20 72 71 69 01 09 200 mm 21 38...
Page 23: ...22 84 85 52 0 Kl 1 0 31 10 2005 P 115 392 21 21 20 20 90 90 23 38...
Page 29: ...28 06 2005 Drilling Dimension 200 300 260 220 T 140 8 29 38...
