According to European standard EN 1949 – 6.1, “a pressure regulating device must be installed in the liquid gas system. This must be installed before the vehicle is sold to the end customer. Pressure regulating equipment in road vehicles must have a fixed output pressure of 30 mbar.”
European standard EN 12864 – D stipulates the following: “With gas pressure of 30 mbar, it must be ensured that the gas consuming equipment is supplied at an admission pressure of at least 25 mbar.”
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General information about gas supplies
Truma has summarised the most important items of the new legal requirements for LPG in commercial vehicles for you:
“If LPG is being taken from a fixed container or portable cylinders, suitable precautions must be taken to prevent LPG from inadvertently escaping in the event of an accident.” Truma gas supply products comply with all requirements of the new heating equipment directive (2001/56/EC) and the amendment to the directive (2004/78/EC) without restrictions in all EU countries.
More information can be found in our “Liquid gas supply for liquid gas heaters in commercial vehicles” brochure and our commercial vehicle technical data.












