This document specifies tests and requirements for discharge lines closures, a compressed natural gas (CNG) fuel system component intended for use on the types of motor vehicles defined in ISO 3833.
This document is applicable to vehicles (mono-fuel, bi-fuel or dual-fuel applications) using natural gas in accordance with the ISO 15403-1. It is not applicable to the following:
a) liquefied natural gas (LNG) 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.
Status: PublishedPublication date: 2023-02
Edition: 1Number of pages: 4
Technical Committee: ISO/TC 22/SC 41 Specific aspects for gaseous fuels
- ICS :
- 43.060.40 Fuel systems
This standard contributes to the following Sustainable Development Goal:
Buy this standard
|std 1 40||PDF + ePub|
|std 2 40||Paper|
ISO 15500-21:2023Stage: 60.60
Got a question?
Check out our FAQs
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.