Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - Part 1: PN-designated valves; German version EN 558-1:1995— 18 стр.
Technical delivery conditions for castings made from metallic materials; steel castings; classification into severity levels on the basis of non-destructive testing— 15 стр.
Fasteners; technical specifications; parts for bolted connections with specific mechanical properties for use at temperatures ranging from -200 °C to +700 °C— 5 стр.
