24/10/2018
PRESSURE LEAK DETECTOR
DLR-G ..
- 21 -
5.6
Completing Pneumatic Connections
5.6.1 Between pressure reducer and leak detector
(1) Select suitable pipe to connect the pressure reducer to the leak
detector.
Recommendation: Use the Flex tube (SGB item no.: 260 721)
(2) Connect the pipe to the pressure reducer (the image shows con-
nection via the Flex tube mentioned above).
(3) Connect the pipe to the leak detector.
5.6.2 Mounting the connection to the interstitial space or test valves
(1) Generally according to the pipe/interstitial space manufacturer's
specifications.
(2) If Schrader valves are used, please proceed as follows:
- Unscrew protective cap
- Retighten lock nut
- Unscrew valve insert and stick next to the connection with ad-
hesive tape.
- Screw connection to the interstitial space or test valve and fas-
ten finger-tight.
- If necessary, further tighten with suitable pliers.
5.6.3 Between leak detector and interstitial space
(1) Select and install suitable pipe.
(2) During installation of the tube/pipe, ensure again that the tubes
are protected against damage when the manhole chamber is en-
tered.
(3) Complete the relevant connection (according to the illustrations in
the following images)
5.6.3.1
Flanged screw connections (for flanged pipes)
(1) Lubricate O-rings
(2) Insert spacer ring loosely into the screw socket
(3) Slide union nut and pressure ring over the pipe
(4) Hand-tighten union nut
(5) Tighten union nut until need for increased force is clearly notice-
able
(6) Final assembly: Tighten by another ¼ turn.
Mounting
