BS EN 12516-1:2014 + A1:2018 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells – amended standard issued

What is it?:
This European Standard specifies the tabulation method for determining the wall thickness of valve bodies, bonnets and covers with essentially circular cross-section made in forged, cast or fabricated steel.

Why is it important?:
The amendment has been issued to correct errors in the Pressure Temperature rating tables found in the 2014 version immediately after publication. The opportunity has also been taken to update the PED references to 2014/68/EU and the normative references:

• Modification to the European foreword
In the 5th and 6th paragraphs, replace “EU Directive 97/23/EC” with “EU Directive
2014/68/EU”.
• Modifications to Clause 2, Normative references
In the reference to EN 19:2002, replace “EN 19:2002” with “EN 19:2016”.
In the reference to EN 736-1, replace “EN 736-1” with “EN 736-1:1995”.
In the reference to EN 736-2, replace “EN 736-2” with “EN 736-2:2016”.
In the reference to EN 736-3, replace “EN 736-3” with “EN 736-3:2008”.
• Modification to 11.4, Intermediate rating valves
In the opening paragraph, replace “EN 19:2002” with “EN 19:2016”.
Modifications to Tables 10, 11, 19 and 28
• Replace Tables 10, 11, 19 and 28 with the following ones respectively:

Supersedes: This is an amended standard and supersedes BS EN 12516-1:2014


Published: 29th April 2019

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