Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for wastewater systems - Part 4: Components for vacuum drainage systems and for drainage systems on ships— 32 стр.
Copper and copper alloys - Plumbing fittings - Part 3: Fittings with compression ends for use with plastics pipes; German version EN 1254-3:1998— 19 стр.
Chimneys - Connecting flue pipes for heat generating systems - Metal pipes and fittings for flue gases from domestic heat generating systems for operation under negative pressure conditions— 8 стр.