Добрый день, коллеги.
Ищу стандарты на английском:
1) EN 1591-1:2013. Flanges and their joints. Design rules for gasketed circular flange connections. Calculation
2) EN 1591-2:2008. Flanges and their joints. Design rules for gasketed circular flange connections. Gasket parameters
Заранее спасибо!