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ISO 4126-1:2004
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Safety devices for protection against excessive pressure -- Part 1: Safety valves

This standard has been revised by: ISO 4126-1:2013

Abstract

ISO 4126-1:2004 specifies general requirements for safety valves irrespective of the fluid for which they are designed. It is applicable to safety valves having a flow diameter of 6 mm and above which are for use at set pressures of 0,1 bar gauge and above. No limitation is placed on temperature. This is a product standard and is not concerned with applications for safety valves.

 

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