DS DS/EN ISO 4126-1/AC
DS DSEN SO 4126-1AC 2006-AUG-17 Safety devces for the protecton aganst excessve pressure - Part 1 Safety valves
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This part of the Standard 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.