Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 3: Check valve
This document 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 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.
It is recognized that…
Surface chemical analysis — X-ray photoelectron spectroscopy — Reporting of methods used for charge ...
This document specifies the minimum amount of information spectroscopy to be reported with the analytical results to describe the methods of charge control and charge correction in measurements of core-level binding energies for insulating specimens by X‑ray photoelectron. It also provides methods for charge control and for charge correction in the measurement of binding energies.
Plastiques — Détermination du facteur de transmission du flux lumineux total des matériaux transpare...
Le présent document la détermination du facteur de transmission lumineuse totale, dans le domaine visible, des plastiques plans transparents et pratiquement incolores, au moyen d'un spectrophotomètre à double faisceau. Le présent document ne peut pas être appliqué aux plastiques contenant des matériaux fluorescents.
Le présent document est applicable aux matériaux pour moulage ainsi qu'…
Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 19: Automatic valve
This document specifies tests and requirements for the automatic valve, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833. This document 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) fuel containers;
b) stationary…
Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 8: Excess flow valve
This document specifies tests and requirements for the excess flow valve, a liquefied natural gas fuel system component intended for use on the types of motor vehicles defined in ISO 3833. This document 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) fuel containers;
b) stationary…
Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 18: Gas temperature sensor
This document specifies tests and requirements for the gas temperature sensor, 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.
It is recognized…
Plastics — Determination of the total luminous transmittance of transparent materials — Part 2: Doub...
This document covers the determination of the total luminous transmittance, in the visible region of the spectrum, of planar transparent plastics and substantially colourless plastics, using a double-beam scanning spectrophotometer. This document cannot be used for plastics which contain fluorescent materials.
This document is applicable to transparent moulding materials, films and sheets not…
Workplace atmospheres - Part 2: Gas detectors - Selection, installation, use and maintenance of dete...
IEC 62990-2:2021 gives guidance on the selection, installation, use and maintenance of electrical equipment used for the measurement of toxic gases and vapours in workplace atmospheres. The primary purpose of such equipment is to ensure safety of personnel and property by providing an indication of the concentration of a toxic gas or vapour and warning of its presence.
This document is applicable…
Energy management system application program interface (EMS-API) - Part 600-1: Common Grid Model Exc...
IEC 61970-600-1:2021 covers the definition of Common Grid Model Exchange Standard (CGMES), defines the main rules and application’s requirements to meet business requirements for assembled and merged model to fit relevant business services. This document does not define the business requirements, business processes nor how applications are implemented. This document defines how relevant Common…
Energy management system application program interface (EMS-API) - Part 600-2: Common Grid Model Exc...
IEC 61970-600-2:2021 defines the profiles included in the Common Grid Model Exchange Standard (CGMES) that are based on IEC 61970-450-series and IEC 61968-13 profiles. This document refers to the IEC 61970-450-series and IEC 61968-13 profiles only in cases where they are identical. If the referenced profile is not yet published, this document includes the profile definition and related…