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IEC 62453-309:2022 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. Communication Profile Family 9 (commonly known as HART® ) defines communication profiles based on IEC 61158 5 20…

1 Scope 1.1 Inclusions This Standard establishes requirements for newly produced compressed hydrogen gas fuel system components, as listed below, that are intended for use on hydrogen gas powered vehicles: a) check valves (see Clause 8); b) manual valves (see Clause 9); c) manual container valves (see Clause 10); d) automatic valves and automatic container valves (see Clause 11); e)…

1 Scope This Standard specifies general requirements and definitions of liquefied natural gas fuel system components, intended for use on the types of motor vehicles as defined in CSA B109.2 in Canada and NFPA 52, in the U.S. This Standard also provides general design principles and specifies requirements for instructions and marking. This Standard is not applicable to the following: a) fuel…

1 Scope 1.1 Inclusions This Standard establishes requirements for newly manufactured compressed natural gas hose and hose assemblies, intended for use in natural gas dispensing stations. Hose assemblies may be categorized by the following classes: a) Class A – hose assembly connecting the dispenser to the fuelling nozzle; and b) Class D – hose assemblies used on other station equipment.…

1 Scope 1.1 Inclusions This Standard details the safety and performance requirements for temperature compensation control used to prevent compressed natural gas (CNG) dispensing systems from exceeding a safe fill level for vehicle fuel storage container(s). This Standard contains safety performance requirements for compressed natural gas fuelling dispenser temperature compensation systems. It…

1 Scope 1.1 This Standard specifies requirements for the maintenance of electrical supply and communications equipment and systems employed by supply and communication utilities. This Standard applies to new and existing electrical supply equipment and systems where they are employed by a utility in the exercise of its function as a utility. 1.2 The requirements of this Standard are intended…

1 Scope This Standard specifies performance and general test methods of liquefied natural gas fuel system components, intended for use on the types of motor vehicles as defined in CSA B109.2 in Canada and NFPA 52 in the U.S. This Standard also provides general design principles and specifies requirements for instructions and marking. This Standard is not applicable to the following: a) fuel…

1 Scope This Standard specifies tests and requirements for the check valve, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in CSA B109.2 in Canada and NFPA 52 in the U.S. This Standard also provides general design principles and specifies requirements for instructions and marking. This Standard is not applicable to the following: a) fuel…

1 Scope This Standard 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 CSA B109.2 in Canada and NFPA 52 in the U.S. This Standard also provides general design principles and specifies requirements for instructions and marking. This Standard is not applicable to the following: a)…

1 Scope This Standard specifies tests and requirements for the tank pressure gauge, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in CSA B109.2 in Canada and NFPA 52 in the U.S. This Standard also provides general design principles and specifies requirements for instructions and marking. This Standard is not applicable to the following:…