06/08/2020
PRESSURE LEAK DETECTOR
DLR-GS ..
- 7 -
2. Safety
2.1 Intended
Use
For double-walled pipes/fittings installed underground or indoors
only.
The leak detector alarm pressure must be at least 1 bar higher
than the maximum feed pressure in the product-transporting pipe.
Grounding in accordance with valid regulations
1
.
Tightness of the leak detection system according to section 7.3.4.
Leak detector installed outside of the explosive area.
Lead-throughs for connection lines into and out of the manhole
chamber must be sealed gas-tight.
Leak detector (electric) cannot be turned off.
Use of the leak detection medium compressed air only with con-
veyed media with flash point > 60°C (> 55°C for Germany accord-
ing to TRGS 509 and 751).
Use of the leak detection medium nitrogen with conveyed media
with flash point > 60°C and
≤
60°C if the interstitial space is zone 2
(> 55°C and
≤
55°C for Germany according to TRGS 509 and
751).
Section 3.4.5 must be complied with.
Any claims arising from misuse are excluded.
2.2 Obligation of the Operating Company
The leak detector DLR-GS is used in a commercial environment. The
operating company is therefore subject to statutory occupational
safety obligations.
In addition to the safety instructions in this documentation, all applica-
ble safety, accident prevention and environmental regulations must
be adhered to. In particular:
- Compiling a risk assessment and implementing its results in a di-
rective
- Performing regular checks as to whether the directive is in compli-
ance with the current standards
- The directive includes, among others, how to react to an alarm that
might arise
- Arranging for an annual functional check
1
For Germany: e.g. EN 1127
WARNING!
Danger from
misuse
WARNING!
Danger in case
of incomplete
documentation
Safety