A gas boiler installation must be carried out in compliance with the standards and regulations in force, imposed by the decree of August 2, 1977, in particular for the components used: piping, accessories, assembly materials, etc.
There are also different types of installation of possible pipes:
- in elevation: installed along a wall and out of the ground or built
- in buried: buried in the ground
- incorporated: integrated into the elements of the building, namely embedded in the ground or embedded in the walls
In this article, we will present the types of mechanical fitting malaysia to be used according to the type of installation and according to the requirements of the gas installation.
The types of piping in gas installations:
There are therefore normative requirements regarding the piping of a gas boiler installation, concerning the material, its manufacture but also its readiness to transport gas.
There are 5 types of pipes suitable for a gas installation:
- “PLT” kits
The copper pipes are most used to transport gas. And for good reason, it is a very practical and easy to use material:
- It is resistant
- It is easily malleable
- It is suitable for all types of installation, whether simple or more complex.
Copper happens to be used in every part of the installation: in elevation, combined into the buried or building.
PE or Plymouth (Polyethylene pipes):
The gas for polyethylene tubes are plastic tubes, black and spotted with yellow thread, unlike polyethylene water whose thread is blue.
This kind of pipe happens to be used for measures of underground installations, but it is also possible to install it in elevation under certain conditions.
It should be noted that the installation of polyethylene pipes has a few requirements that must be taken into account:
- Polyethylene tubes are UV sensitive and therefore cannot be exposed directly to light
- Exposure temperatures must be between -20 °C and + 30 °C
- The maximum pressure supported by the polyethylene pipes is 500 mbar
Steel is a strong material, but difficult to work with. It is mainly used in collective installations, such as boiler rooms in collective buildings.
Steel, whether black, galvanized or stainless steel can be used in the case of installation parts in elevation, incorporated in the building or buried. But there are special requirements depending on the type of installation:
- If it is an underground pipeline made up of steel tubes, the tubes must be protected either by a hot applied bituminous material, or by a double layer coating made of extruded polyethylene.
- If it is an elevated pipeline made up of steel tubes other than stainless steel, the tubes must also be protected against corrosion, according to standard, by coating, painting or galvanizing, that is, covered with a layer of zinc.
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