ISO/TC 22/SC 41/JWG 5 - Joint ISO/TC 22/SC 41 - ISO/TC 197 WG: Fuel system components and refuelling connector for vehicles propelled by blends of natural gas and hydrogen

ISO 12619-7:2017 specifies tests and requirements for the gas injector and/or fuel rail, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system component intended for use on the types of motor vehicles defined in ISO 3833. ISO 12619-7:2017 is applicable to vehicles using compressed gaseous hydrogen (CGH2) in accordance with ISO 14687‑1 or ISO 14687‑2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403‑1 and ISO/TR 15403‑2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. 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 to be considered gauge pressures unless otherwise specified.

ISO 12619-9:2017 specifies tests and requirements for the pressure relief valve (PRV), a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-9:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-9:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-15:2017 specifies tests and requirements for the filter, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-15:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-15:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-14:2017 specifies tests and requirements for the flexible fuel line, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-14:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-14:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-16:2017 specifies tests and requirements for the fittings, compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system components intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-16:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-16:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-13:2017 specifies tests and requirements for the rigid fuel line in stainless steel, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-13:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-13:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-12:2017 specifies tests and requirements for the gas-tight housing and ventilation hose, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-12:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-12:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-11:2017specifies tests and requirements for the excess flow valve, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-11:2017and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-11:2017are considered gauge pressures unless otherwise specified.

ISO 12619-10:2017 specifies tests and requirements for the pressure relief device (PRD), a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. 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.

ISO 12619-8:2017 specifies tests and requirements for the pressure indicator, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blend fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blend using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; b) fuel containers; c) stationary gas engines; d) container mounting hardware; e) electronic fuel management; f) refuelling receptacles; g) fuel cell vehicles. NOTE 1 It is recognized that miscellaneous components not specifically covered herein can be examined to meet the criteria of ISO 12619-8:2017 and tested according to the appropriate functional tests. NOTE 2 All references to pressure in ISO 12619-8:2017 are considered gauge pressures unless otherwise specified.

ISO 12619-6:2017 specifies tests and requirements for the automatic valve, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system component intended for use on the types of motor vehicles defined in ISO 3833. It is applicable to vehicles using compressed gaseous hydrogen (CGH2) in accordance with ISO 14687‑1 or ISO 14687‑2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403‑1 and ISO/TR 15403‑2. It is not applicable to the following: a) liquefied hydrogen (LH2) fuel system components; 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 document and tested according to the appropriate functional tests. NOTE 2 All references to pressure in this document are to be considered gauge pressures unless otherwise specified. NOTE 3 This document may not apply to fuel cell vehicles in compliance with international regulations.

ISO 12619-4:2016 specifies general requirements and definitions of compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and markings. It is applicable to vehicles using compressed gaseous hydrogen (CGH2) in accordance with ISO 14687‑1 or ISO 14687‑2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403‑1 and ISO/TR 15403‑2. It is not applicable to the following: a) liquefied hydrogen (LH2) 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.

ISO 12619-5:2016 specifies general requirements and definitions of compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and markings. It is applicable to vehicles using compressed gaseous hydrogen (CGH2) in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: a) liquefied hydrogen (LH2) 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.

ISO 16380:2014 applies to compressed blended fuels vehicle nozzles and receptacles hereinafter referred to as devices, constructed entirely of new, unused parts and materials. Compressed blended fuels fuelling connection nozzles consist of the following components, as applicable: a) Receptacle and protective cap (mounted on vehicle); b) Nozzle (mounted on dispenser side). ISO 16380:2014 applies to devices which have a service pressure of 20 MPa, 25 MPa, and 35 MPa hereinafter referred to as: a) size 1: M200, M250, and M350; b) size 2: N200 and N250. ISO 16380:2014 refers to service pressures of 20 MPa, 25 MPa, and 35 MPa for size 1 and 20 MPa and 25 MPa for size 2. ISO 16380:2014 applies to devices with standardised mating components. ISO 16380:2014 applies to connectors which a) prevent blended fuels vehicles from being fuelled by dispenser stations with working pressures higher than the vehicle fuel system working pressure, b) allow blended fuels vehicles to be fuelled by dispenser stations with working pressures equal to or lower than the vehicle fuel system working pressure, c) allow blended fuels vehicles to be fuelled by dispenser stations for compressed natural gas, d) allow blended fuels vehicles to be fuelled by compressed natural gas dispenser stations with working pressures equal to or lower than the vehicle fuel system working pressure, e) prevent blended fuels vehicles size 1 being refuelled on blended fuels dispenser stations equipped with a size 2 nozzle and vice versa, f) prevent natural gas vehicles from being fuelled by blended fuels station, and dispensers, and g) prevent pure hydrogen vehicles from being fuelled by blended fuels station dispensers. ISO 16380:2014 is applicable to mixtures of hydrogen from 2 % to 30 % in volume and compressed natural gas containing: a) natural gas in accordance with ISO 15403‑1 and ISO 15403‑2; b) pure hydrogen in accordance with ISO 14687‑1 or ISO/TS 14687‑2.

ISO 12619-3:2014 specifies tests and requirements for the pressure regulator, a compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system component intended for use on the types of motor vehicles defined in ISO 3833. ISO 12619-3:2014 is applicable to vehicles using CGH2 in accordance with ISO 14687‑1 or ISO 14687‑2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403‑1 and ISO/TR 15403‑2. It is not applicable to the following: -liquefied hydrogen (LH2) fuel system components; -fuel containers; -stationary gas engines; -container mounting hardware; -electronic fuel management; -refuelling receptacles.

ISO 12619-2:2014 specifies performance and general test methods for compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. This part of ISO 12619-2:2014 is applicable to vehicles using CGH2 in accordance with ISO 14687‑1 or ISO 14687‑2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403‑1 and ISO/TR 15403‑2. It is not applicable to the following: -liquefied hydrogen (LH2) fuel system components; -fuel containers; -stationary gas engines; -container mounting hardware; -electronic fuel management; -refuelling receptacles.

ISO 12619-1:2014 specifies general requirements and definitions of compressed gaseous hydrogen (CGH2) and hydrogen/natural gas blends fuel system components, intended for use on the types of motor vehicles defined in ISO 3833. It also provides general design principles and specifies requirements for instructions and markings. ISO 12619-1:2014 is applicable to vehicles using CGH2 in accordance with ISO 14687-1 or ISO 14687-2 and hydrogen/natural gas blends using natural gas in accordance with ISO 15403-1 and ISO/TR 15403-2. It is not applicable to the following: -liquefied hydrogen (LH2) fuel system components; -fuel containers; -stationary gas engines; -container mounting hardware; -electronic fuel management; -refuelling receptacles.