-50% discount* If you buy the same UNE standard in different languages. * Discount on the lower pvp.

EN ISO 16923:2026

Natural gas fuelling stations - Compressed natural gas (CNG) stations for fuelling vehicles (ISO 16923:2026)

Edition date: 2026-01-21
In Force
Available languages: English, French
Summary: This document specifies requirements for the design, construction, operation, maintenance and inspection of stations for fuelling compressed natural gas (CNG) to vehicles, including equipment, safety and control devices up to the fuelling nozzle to the vehicle. 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. 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 covers all equipment for downstream gas supply connection (i.e. point of separation between the CNG fuelling station piping and the pipeline network). Fuelling station nozzle 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 vehicle to vehicle transfer or vehicle refuelling appliances (VRA). 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.

Le présent document spécifie les exigences relatives à la conception, à la construction, à l’exploitation, à la maintenance et à l’inspection des stations de ravitaillement au gaz naturel comprimé (GNC) pour véhicules, y compris les appareils et les dispositifs de sécurité et de contrôle jusqu’au pistolet de distribution au véhicule. Le présent document s’applique aux stations-service alimentées par gaz naturel comme cela est défini par les réglementations locales applicables en matière de composition des gaz ou par l’ISO 13686. Il s’applique également aux autres gaz qui répondent à ces exigences. Le présent document s’applique également aux parties d’une station-service où le gaz naturel se trouve à l’état gazeux et où le GNC dérivé d’un gaz naturel liquéfié (GNLC) est distribué conformément à l’ISO 16924. Le présent document couvre tous les appareils en aval de la connexion d’alimentation en gaz (c’est-à-dire le point de séparation entre les conduites de la station-service GNC et le réseau de canalisations). Les pistolets de distribution des stations-service ne sont pas définis dans le présent document. Le présent document comprend les stations-service avec les caractéristiques suivantes: remplissage lent; remplissage rapide; accès privé; accès public (libre-service ou avec assistance); stations-service avec stockage fixe; stations-service avec stockage mobile (station secondaire); stations multi-carburants. Le présent document ne s’applique pas aux dispositifs de transfert de véhicule à véhicule ou de ravitaillement de véhicules (VRA). NOTE            Le présent document repose sur la condition que les gaz fournis à la station-service soient odorisés. Pour les stations-service utilisant des gaz non odorisés, des exigences de sécurité supplémentaires sont spécifiées à l’Article 10.

Dieses Dokument legt Anforderungen an den Entwurf, die Konstruktion, den Betrieb, die Instandhaltung und Inspektion von Füllanlagen zur Betankung von Fahrzeugen mit komprimiertem Erdgas (CNG, en: compressed natural gas) einschließlich Ausrüstung, Sicherheit und Steuer- und Regelvorrichtungen bis zum Betankungsanschluss des Fahrzeugs fest. Dieses Dokument ist anwendbar für Füllanlagen für Erdgas, wie in den anwendbaren örtlichen Bestimmungen über die Gaszusammensetzung oder in ISO 13686 festgelegt. Es ist auch für andere Gase anwendbar, die diese Anforderungen erfüllen. Dieses Dokument ist auch anwendbar für Teile einer Füllanlage, bei denen sich das Erdgas in einem gasförmigen Zustand befindet und komprimiertes Erdgas (CNG) abgegeben wird, das nach ISO 16924 aus verflüssigtem Erdgas (LCNG, en: liquefied compressed natural gas) gewonnen wurde. Dieses Dokument deckt die gesamte Ausrüstung für die nachgelagerte Gasversorgungsleitung (d. h. den Trennungspunkt zwischen den Rohrleitungen der CNG-Füllanlage und dem Rohrleitungsnetzwerk) ab. Füllkupplungen von Füllanlagen sind in diesem Dokument nicht festgelegt. Dieses Dokument behandelt Füllanlagen mit den folgenden Eigenschaften:  langsame Betankung;  schnelle Betankung;  privater Zugang;  öffentlicher Zugang (Selbstbedienung oder mit Tankwart-Service);  Füllanlagen mit fest installierter Speicherung;  Füllanlagen mit mobiler Speicherung (Tochter-Füllanlage);  Multikraftstoff-Füllanlagen. Dieses Dokument ist nicht für die Direktübertragung von Gas zwischen Fahrzeugen oder Fahrzeugbetankungsgeräte (VRA, en: vehicle refuelling appliances) anwendbar. ANMERKUNG Dieses Dokument beruht auf der Bedingung, dass das der Füllanlage gelieferte Gas odoriert ist. Für Füllanlagen mit nicht odoriertem Gas sind zusätzliche Sicherheitsanforderungen in Abschnitt 10 enthalten.

ICS: 75.200-Petroleum, petroleum products and natural gas handling equipment
CTN: CEN/TC 326 - 6307

The book in the author's words

Ultricies magna feugiat malesuada sociosqu varius vivamus cubilia parturient, himenaeos vitae vehicula nam placerat netus urna platea, nostra rutrum felis mattis penatibus velit quisque.
Frequently Asked Questions Do you have any questions about our products?
  • Standards UNE, EN, ISO, IEC, BSI, DIN, ASTM, AFNOR, IEEE, SAE
  • In addition, you can request the rules of the rest of the organizations through the e-mail normas@aenor.com
  • Technical books on paper and in electronic format (PDF, epub).

The standards can be purchased in PDF, reading or paper. The reading standards are not download files, they can only be viewed in the client area. The standards ordered on paper and some of the books in the catalogue are printed on demand. 

Check deadlines in normas@aenor.com.

The license of use is for one user and one device, if you want to reproduce the content of the standard, you must request a license that will have an additional cost. Send us your inquiry here 

 

The use of standards and other content protected by intellectual property rights in AI systems is prohibited. If you are interested in such uses, please contact normas@aenor.com. Failure to comply will result in the withdrawal of your Access licence.

The AENOR standards and books that appear in the online store can only be purchased exclusively through the website. AENOR does not have a physical store.

Purchase procedure: by clicking on "Buy" the desired products will go to the shopping cart. If there are display problems, the recommended browser is Chrome.

To formalize the purchase you must access the customer area. If you are not registered as a customer, you must fill in a form with the data along with a password and username. This will create the account.

Once the "Customer data" form has been completed, "Order in progress" will be displayed with all the items loaded in the shopping cart, their prices, taxes established in current legislation and shipping costs if applicable.

The prices of the standards and books that appear in the various sections do not include taxes or shipping costs.

AENOR promotional codes consist of alphanumeric characters and can only be applied to online purchases, received through a specific offer and for a limited time. To apply your promotional code, you just have to enter it in step 2 of 4 of the purchase process on the website and click on "apply", after you have identified yourself and chosen the payment methods. Promo codes are not cumulative.

 

  • Credit or debit card (Visa, Mastercard) and PayPal.
  • Bank transfer. If you opt for this form of payment, you must first send AENOR a copy of the transfer by email to normas@aenor.com
  • The purchase invoice can be downloaded from the customer area, in my previous orders

In the case of clients of companies based abroad, the taxpayer identification number of the corresponding country (for example, in Argentina the CUIT), must be filled in the CIF/NIF - VAT field .

  • Direct download via the website in the Customer Area. In the customer area, which can only be accessed with a password and username, the products purchased will be available for a period of fifteen days from the date of purchase, as long as the payment has been accepted. Files in digital format are protected and in no case editable. Before purchasing them, it is important that the license of use is read and accepted as a prior step to purchase.
  • Shipping by courier. Products purchased on physical media are shipped by courier. The maximum delivery time in Spanish territory, from the acceptance of the order by AENOR, is:
  •  Approximately seven working days for all standards purchased through the store in paper format.
  • Approximately three days for books purchased through the store. Stocks of paper books are limited and their offer on the website does not imply availability within the indicated period. In the event that the requested book is not available, the customer is notified of the delay in receiving the order, which will be approximately seven working days. 

For the rest of the products that are not on the website, check availability and delivery time at normas@aenor.com.

1. For digital products (PDF, Epub), once delivery has been made by direct download via the website in the Customer Area, you will not have the right to exercise your right of withdrawal.

2. For personalised products on paper, once the purchase has been made, you will not have the right to exercise your right of withdrawal.

3.  For all other paper products, you have the right to withdraw from the sale within 14 calendar days from the date of purchase. Remember that for the return it is essential that the product is in perfect condition, sealed by the packaging and preserving its original packaging. The customer will be responsible for pickup and shipping costs.

The order invoice includes shipping costs, so there is no amount to pay to the courier. Shipping costs are calculated based on both the final destination of the order and the number of products ordered. They include transport and packaging costs. Shipping costs are subject to periodic revisions. Outlet books will have free shipping costs only if the shipment is made in the Peninsula.

Destination Up to three standards and/or publications From three standards and/or publications
Peninsula 7,31€ 8,60€
Balearic Islands 18,04€ 23,34€
Canary Islands, Ceuta and Melilla  18,04€ 23,34€
Europe 59,17€ 80,07€
United States and Canada 70,07€ 96,94€
Rest of the world 91,94€ 115,91€
  • Purchases made by residents of the Member States of the European Union will be subject to the payment of VAT (value added tax).
  • ​​
  • In the case of legal persons and natural persons who, acting as entrepreneurs, are domiciled in a Member State of the European Union (except residents in Spain) and have an intra-community NIF/VAT registered in the VIES census, they will be exempt from paying VAT, being an essential condition the sending of this document by email to normas@aenor.com.
  • Purchases made in a private capacity (natural person), regardless of where they have their residence, will be subject to the payment of VAT.
  • Purchases made by entities in non-EU countries will be exempt from paying VAT, as long as they send the corresponding tax residence document by email to normas@aenor.com.
  • The sale operations will be understood to have been carried out at AENOR's registered office: Génova 6, 28004, Madrid – Spain. 

The contract for the purchase of products through this Website shall be governed by Spanish law. Any dispute arising out of or in connection with the use of the Website or such contract shall be subject to the exclusive jurisdiction of the Courts and Tribunals of Madrid.

Notwithstanding the foregoing, if you are entering into this contract as a consumer under the terms of Royal Decree 1/2007, nothing in this clause shall affect the rights that may be granted to you as such under applicable law.