UNE-EN 12516-4:2009 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
2019UNE-EN 12516-4:2016+A1:2019 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel
2009UNE-EN 12516-4:2009 Industrial valves - Shell design strength - Part 4: Calculation method for valve shells manufactured in metallic materials other than steel