Metallic tube connections for fluid power and general use - Test methods for hydraulic fluid power connections (ISO 19879:2010); German version EN ISO 19879:2010— 28 стр.
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.