9. Gas 127
Regulators and valves
• Use only special vehicle regulators that have a safety valve.
In accordance with the German DVWG (German Associa
-
tion of the Gas and Water Sector) Worksheet G 607, other
regulators are not permitted; they are not adequate for
handling the heavy strain.
• Pressure governors must have a fixed pressure of 30 mbar.
The regulations of EN 12864, Appendix D apply accor
-
dingly. The pressure governors must have a minimum flow
rate of 1.2 hx/h.
• Connect the regulator knob or high-pressure hose to the
bottle carefully by hand (
NB: left-handed thread
). Do not use
spanners, pliers or similar tools.
• If the temperature is below 5°C use the de-frosting facility
(ice-ex
*
) for regulators.
Gas regulator for France and Great Britain
*
Due to specific country regulations, the gas regulator in vehi
-
cles exported to France and Great Britain is firmly mounted on
the ceiling of the gas bottle container. The requires the use of
a high-pressure hose. Therefore, the low-pressure hoses that
are normally used may not be fitted here.
- gas regulator mounted on the ceiling
j
- high-pressure hose
k
1
2
High-pressure hoses are used for gas regulators that have
been mounted on the ceiling. This must be taken into ac
-
count should it be necessary to replace the hose.
Connections on gas pressure regulators are screwed on
counterclockwise.
High-pressure hose
Gas regulator mounted on the ceiling