Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 1: Vulcanized rubber; German version EN 681-1:1996 + A1:1998 + A2:2002 + AC:2002 + A3:2005— 26 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges; German version EN 1092-2:1997— 28 стр.
General requirements for bodies operating assessment and certification/registration of quality systems (ISO/IEC Guide 62:1996); Trilingual version EN 45012:1998— 31 стр.
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges; German version EN 1092-2:1997— 28 стр.
External organic coatings for the corrosion protection of buried and immersed pipelines for continuous operating temperatures up to 50 °C - Tapes and shrinkable materials— 9 стр.