Reference number
ISO 15500-12:2015
© ISO 2024
International Standard
ISO 15500-12:2015
Road vehicles — Compressed natural gas (CNG) fuel system components — Part 12: Pressure relief valve (PRV)
Edition 2
2015-12
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недоступно на русском языке
Опубликовано (Версия 2, 2015)

ISO 15500-12:2015

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Формат
CHF 42
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Тезис

ISO 15500-12:2015 specifies tests and requirements for the pressure relief valve (PRV), a compressed natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833.

ISO 15500-12:2015 is applicable to vehicles using natural gas in accordance with ISO 15403-1 (mono-fuel, bi-fuel, or dual-fuel applications). It is not applicable to the following:

a) liquefied natural gas (LNG) fuel system components located upstream of, and including, the vaporizer;

b) fuel containers;

c) stationary gas engines;

d) container mounting hardware;

e) electronic fuel management;

f) refuelling receptacles.

NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of this part of ISO 15500 and tested according to the appropriate functional tests.

NOTE 2 All references to pressure in this part of ISO 15500 are to be considered gauge pressures unless otherwise specified.

NOTE 3 This part of ISO 15500 is based upon a service pressure for natural gas as a fuel of 20 MPa [200 bar[1]] settled at 15 °C. Other service pressures can be accommodated by adjusting the pressure by the appropriate factor (ratio). For example, a 25 MPa (250 bar) service pressure system will require pressures to be multiplied by 1,25.

[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2015-12
    Этап
    : Международный стандарт подлежит пересмотру [90.92]
  • Версия
     : 2
  • Технический комитет :
    ISO/TC 22/SC 41
    ICS :
    43.060.40 
  • RSS обновления

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