Plastics piping systems - Thermoplastics piping systems for buried non-pressure applications - Test methods for leaktightness of elastomeric sealing ring type joints; German version EN 1277:2003— 16 стр.
Plastics piping systems - Thermoplastics piping systems for non-pressure applications - Test method for watertightness; German version EN 1053:1995— 5 стр.
Plastics piping and ducting systems - Thermoplastics pipes - Test method for resistance to external blows by the round-the-clock-method; German version EN 744:1995— 9 стр.
Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 2: Thermoplastic elastomers; German version EN 681-2:2000 + A1:2002 + A2:2005— 22 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.