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sklademVydáno: 2023
ISO 12614-20:2023
ISO 12614-20:2023-Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 20: Flexible fuel or vent lines
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Označení normy: | ISO 12614-20:2023 |
Počet stran: | 9 |
Vydání: | 1 |
Vydáno: | 2023 |
Jazyk: | Anglicky |
Počet stran (Anglicky): | 9 |
DESCRIPTION
ISO 12614-20:2023
This document specifies tests and requirements for the flexible fuel lines, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833. This document is not applicable to the following: a) fuel containers; b) stationary gas engines; c) container mounting hardware; d) electronic fuel management; e) refuelling receptacles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of this document and tested according to the appropriate functional tests. NOTE 2 All references to pressure in this document are considered gauge pressures unless otherwise specified. NOTE 3 This document 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.