Welded steel tubes for pressure purposes - Technical delivery conditions - Part 1: Non-alloy steel tubes with specified room temperature properties; German version EN 10217-1:2002 + A1:2005— 49 стр.
Welded steel tubes for pressure purposes - Technical delivery conditions - Part 2: Electric welded non-alloy and alloy steel tubes with specified elevated temperature properties; German version EN 10217-2:2002 + A1:2005— 35 стр.
Welding and allied processes - Recommendations for joint preparation - Part 1: Manual metal-arc welding, gas-shielded metal-arc welding, gas welding, TIG welding and beam welding of steels (ISO 9692-1:2003); German version EN ISO 9692-1:2003— 23 стр.
Mixing valves for heating installations with welding neck ends; three way mixing valves, four way mixing valves, ND 6 max. 110 °C, installation dimensions— 2 стр.