RESCUE GUIDE ‒ Technical information
TECHNICAL INFORMATION
CNG / CNG-PETROL VEHICLES (NATURAL POWER)
9
– Printed 692.68.340 – 1st Ed. 04/2015
● filling valve;
● high and medium pressure gas hoses;
● high-pressure rigid gas pipes;
● unions;
● cylinders;
● solenoid valve with VBE 498 check valve;
● solenoid valves without check valves VBE 474;
● pressure reducer with CNG shut-off solenoid valve and CNG pressure sensor;
● CNG accumulator (rail) with gas pressure/temperature sensor.
● electro-injectors;
● common petrol power supply system inertial switch.
NGVI-P30 filling valve description
138643
Figure 9
1 Filling valve
2 Check valve
A Filling valve with EEC -
NGVI- 30 connector
B Filling valve with Italian
connector
The cylinders are refilled using the filling valve (1).
The check valve (2) allows the cylinders to be filled while preventing
the gas from flowing outwards.
VBE shut-off and safety solenoid valve description
VBE 474 solenoid valve without check valve
117672
Figure 10
1 Tap
2 Flow limiter
3 Coil
Each cylinder is fitted with a solenoid valve consisting of the following devices:
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