BS EN 12516-4:2014 + A1:2018 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel - amended standard issued

What is it?:

This European Standard specifies the calculation method for valve shells manufactured in metallic materials other than steel. The loadings to be accounted for are in accordance with EN 12516-2.
Design methods are in accordance with EN 12516-2, design by formulae according to the
relevant clauses.

Why is it important?:

The amendment has been issued to correct errors 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 1092-2, replace “EN 1092-2” with “EN 1092-2:1997”.
In the reference to EN 1092-3, replace “EN 1092-3” with “EN 1092-3:2003”.
In the reference to EN 1092-4, replace “EN 1092-4” with “EN 1092-4:2002”.
In the reference to EN 1759-3, replace “EN 1759-3” with “EN 1759-3:2003”.
In the reference to ISO 7005-3, replace “ISO 7005-3” with “ISO 7005-3:1988”.
• Modification to 5.2.3, Pressure/temperature ratings for cast iron
Replace 5.2.3.2 with amended text for low temperature (lower than – 10 °C) service:
• Modification to 5.5.2, Materials other than aluminium
Replace Table 17 to correct use of Rp0,2/t instead of Rm/20 in some copper alloy design
stresses by the following table:

Supersedes: This is an amended standard and supersedes BS EN 12516-4:2014

Published in Valve User Magazine Issue 48


Winter 2019 // Issue 51
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