2018DIN EN 12516-1:2018-11 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells; German version EN 12516-1:2014
2015DIN EN 12516-1:2015 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells; German version EN 12516-1:2014
2005DIN EN 12516-1:2005 Industrial valves - Shell design strength - Part 1: Tabulation method for steel valve shells; German version EN 12516-1:2005