EVS-EN ISO 16923:2018

Natural gas fuelling stations - CNG stations for fuelling vehicles (ISO 16923:2016)

General information
Valid from 16.04.2018
Base Documents
ISO 16923:2016; EN ISO 16923:2018
Directives or regulations

Standard history

This document covers the design, construction, operation, inspection and maintenance of stations for
fuelling compressed natural gas (CNG) to vehicles, including equipment, safety and control devices.
This document also applies to portions of a fuelling station where natural gas is in a gaseous state and
dispensing CNG derived from liquefied natural gas (LCNG) according to ISO 16924.
This document applies to fuelling stations supplied with natural gas as defined in local applicable
gas composition regulations or ISO 13686. It also applies to other gases meeting these requirements
including biomethane, upgraded coal-bed methane (CBM) and gas supplies coming from LNG
vaporization (on-site or off-site).
This document includes all equipment for downstream gas supply connection (i.e. point of separation
between the CNG fuelling station piping and the pipeline network). Fuelling station nozzles are not
defined in this document.
This document covers fuelling stations with the following characteristics:
— slow fill;
— fast fill;
— private access;
— public access (self-service or assisted);
— fuelling stations with fixed storage;
— fuelling stations with mobile storage (daughter station);
— multi-fuel stations.
This document is not applicable to domestic CNG fuelling devices without buffer storage.
NOTE This document is based on the condition that the gas entering the fuelling station is odorized. For
unodorized gas fuelling stations, additional safety requirements are included in Clause 10.
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