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You are here: Home1 / Blog2 / LPG Everyday3 / LPG in Commerce4 / How do I install a wall duct above-ground for an LPG system?

How do I install a wall duct above-ground for an LPG system?

17. September 2018/in LPG Everyday, LPG in Commerce, LPG in Private Housholds
Approximate reading time: 3 minutes

The initial situation: The LPG tank is outside the building, the gas equipment is inside. The problem: In order to connect both with each other, we have to go through the house wall in one place. The solution: a wall duct for the piping – if necessary even with integrated main shut-off device.

The Technical Rules for LPG (TRF) say, under point 7.2.12 “House lead-ins”:

“For house lead-ins above the soil, piping can be guided through the outside wall of the building with a protective pipe.”

The TRF specifies this in more detail under point 7.3.3 and also shows an example of a “manufactured house lead-in”.

Inhaltsverzeichnis

  • No undesired fiddling around at the wall duct
  • The same work step inside and outside
  • Completion of the work
  • Including main shut-off device
  • Note

No undesired fiddling around at the wall duct

Theoretically, you could also create a core bore and lead a protective pipe through the wall. The disadvantage here: Depending on the professional skills, the whole thing can quickly turn into fiddling around – and this should be avoided in any case when it comes to handling LPG.

GOK offers a wall duct for installing a neat solution which is tried and tested in practice. The installation requires a core drill hole in the wall with a diameter of over 50 and a maximum of 110 millimetres.

Mit der von GOK vertriebenen Mauerdurchführung für Flüssiggas-Rohrleitungen erfüllen Sie die Forderungen aus den Technischen Regeln Flüssiggas (TRF).

With the wall duct marketed by GOK for LPG piping, you will meet the requirements from the Technical Rules for LPG (TRF).

The same work step inside and outside

Then, slide the pre-assembled plastic protective pipe through this bore and tighten the flange against the inside of the wall. Then, perform the same work step for the outside: Attach the flange to the house wall and fix it in place.

  How many kilograms of LPG per hour can I draw from an LPG tank?

At each of the flanges, you will find a filling opening, which becomes important in the next step. Now you have to seal the space between them, for example with silicone or another suitable filler. This is how you insert the protective pipe firmly into the masonry.

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Completion of the work

Now push the pipe seal at the outside onto the copper pipe and tighten it. Once this is done, you can attach the shrinking hose to the copper pipe. The last two steps: connect the gas supply line and “shrink” the shrinking hose.

  How can I operate a system despite an empty LPG tank?

Including main shut-off device

If LPG leaks out of the system in an uncontrolled manner, which we hope will not happen, the operator or craftsperson must be able to close the line quickly and easily. This is possible with a main shut-off device, which is already combined with the wall duct in a certain design with copper pipe and, incidentally, this is also required by the TRF. This saves the fitter one work step.

Die Mauerdurchführung mit integrierter Hauptabsperreinrichtung kann dem Monteur einen Arbeitsschritt sparen.

The wall duct with integrated main shut-off device can save the fitter an additional work step.

Note

Please observe our note that the work on the system described above may only be carried out by a qualified person.

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Approximate reading time: 8 minutes

Information regarding technical systems

This blog will never ask members of the public or unqualified persons to make changes to or fiddle around with technical systems themselves.

In accordance with the Industrial Safety Regulation (BetrSichV), a qualified person must take care of a system which requires monitoring.

A qualified person is someone who has the specific specialist knowledge required. This knowledge is gained by way of a professional apprenticeship, corresponding professional experience or current occupational activity.

Please note that the texts are based on information, regulations and standards for Germany. Please always check the rules and regulations in the relevant country of destination and consult specialists if necessary.

Regler- und Armaturen-Gesellschaft mbH & Co. KG

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Obernbreiter Straße 2-18
97340 Marktbreit / Germany

Phone: +49 9332 404-0
Fax: +49 9332 404-49

Email: info@gok.de
Website: www.gok.de

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