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  • ISO
    ISO 23551-1:2024 Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic shut-off valves
    Edition: 2024
    $402.80
    / user per year

Content Description

This document specifies safety, constructional and performance requirements and testing of automatic, semi-automatic shut-off valves and general purpose valves for gas burners, gas appliances and appliances of similar use, hereinafter referred to as valves.

This document applies to normally closed valves and general purpose valves mounted upstream to gas burners and gas appliances with declared maximum operating pressures up to and including 500 kPa, for use on burners or in appliances using fuel gases such as natural gas, manufactured gas or liquefied petroleum gas (LPG). It is not applicable to corrosive and waste gases.

This document applies to:

—     valves directly or indirectly actuated, electrically or by mechanical means;

—     valves actuated by hydraulic or pneumatic means;

—     valves where the flow rate is controlled by external electrical signals, either in discrete steps or proportional to the applied signal; and

—     valves fitted with closed position indicator switches.

This document covers type testing only.



About ISO

ISO, the International Organization for Standardization, brings global experts together to agree on the best way of doing things – for anything from making a product to managing a process. As one of the oldest non-governmental international organizations, ISO has enabled trade and cooperation between people and companies all over the world since 1946. The International Standards published by ISO serve to make lives easier, safer and better.
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