SGB VLXE Ex M Series, Documentation

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VACUUM LEAK DETECTOR VLXE .. Ex M and VLXE .. Ex MMV
28/07/2020
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5.4 Completing Pneumatic Connections
5.4.1 Assembling the connection to the tank’s interstitial space.
(1) Generally according to the tank manufacturer’s specifications.
(2) SGB offers assembly kits with the various connection possibilities.
5.4.2 Assembling the connection to the pipelines interstitial space or test valves
(1) Generally according to the pipelines/interstitial space manufac-
turer's specifications.
(2) If Schrader valves are used, please proceed as follows:
- Unscrew protective cap
- Re-tighten lock nut
- Unscrew valve insert and stick next to the connection with ad-
hesive tape. (As evidence of disassembly)
- Screw connection to the interstitial space or test valve and fas-
ten finger-tight.
- If necessary, further tighten with suitable pliers.
5.4.3 Between leak detector and interstitial space
(1) Select and install suitable pipe.
(2) During installation of the pipe, ensure again that they are protect-
ed against damage when the manhole chamber is entered.
(3) Complete the relevant connection (according to the illustrations in
the following images)
5.4.3.1 Flanged screw connection (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 noticeable
(6) Final assembly: Tighten by another ¼ turn
5.4.3.2 Clamping ring screw connection for metal and plastic pipes
(1) Insert support sleeve (only plastic pipes) into end of the pipe
(2) Insert pipe (with support sleeve) all the way to the stop
(3) Tighten the screw connection by hand until resistance becomes
noticeable, then tighten a further 1 ¾ turns with a wrench
(4) Loosen nut
(5) Tighten the nut by hand up to a noticeable stop
(6) Final assembly of the screw connection by tightening a ¼ turn
5.4.3.3 Quick screw connections for PA pipes
(1) Cut PA pipe to length at a right angle
(2) Unfasten union nut and slide over the end of the pipe
(3) Slide pipe onto nipple up to the beginning of the thread
Mounting