ISO 15500-4:2020 PDF

Scope: This document specifies tests and requirements for the manual valve, 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 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.

ISO 15500-4:2020 Referenced Document

ISO 15500-1:2015 Road vehicles - Compressed natural gas (CNG) fuel system components - Part 1: General requirements and definitions
ISO 15500-2 Road vehicles - Compressed natural gas (CNG) fuel system components - Part 2: Performance and general test methods

2020 ISO 15500-4:2020 Road vehicles - Compressed natural gas (CNG) fuel system components - Part 4: Manual valve
2016 ISO 15500-4:2012/Amd 1:2016 Road vehicles - Compressed natural gas (CNG) fuel system components - Part 4: Manual valve; Amendment 1
2012 ISO 15500-4:2012 Road vehicles - Compressed natural gas (CNG) fuel system components - Part 4: Manual valve
2001 ISO 15500-4:2001 Road vehicles - Compressed natural gas (CNG) fuel system components - Part 4: Manual valve