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Normas BSI – AENOR
20/30390016 DC

20/30390016 DC

BS ISO 12614-4. Road vehicles. Liquefied natural gas (LNG) fuel system components. Part 4. Manual valve

2020-04-27 /Definitive
Equivalencias internacionales:

ISO/DIS 12614-4


This part of ISO 12614 specifies tests and requirements for the manual valve, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833. This part of ISO 12614 is not applicable to the following:

  1. fuel containers;

  2. stationary gas engines;

  3. container mounting hardware;

  4. electronic fuel management;

  5. refueling receptacles.


It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of this part of ISO 12614 and tested according to the appropriate functional tests.


All references to pressure in this part of ISO 12614 are to be considered gauge pressures unless otherwise specified.


This part of ISO 12614 is based upon a working pressure for natural gas as a fuel of 1,6 MPa (16 bar). (1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.) Other working pressures can be accommodated by adjusting the pressure by the appropriate factor (ratio). For example, a 2 MPa (20 bar) working pressure system will require pressures to be multiplied by 1,25.

Liquefied natural gas, Road vehicle engineering, Vehicles, Road vehicles, Natural gas
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