Avlopp - Rör och rördelar i glaserad lera - Del 5: Krav på perforerade rör och rördelar
This European Standard specifies requirements for perforated pipes and compatible fittings made from vitrified clay with or without sockets for use in land drains and drainage of waste tips. They are also used for percolation into the ground.
This standard specifies different strength classes and areas of perforations.
NOTE 1 The specifiers/purchasers can select perforated pipes and compatible fittings according to their requirements.
NOTE 2 Corresponding provisions for the evaluation of conformity (ITT and FPC) and sampling and those for the test methods are further specified in EN 295-2 and EN 295-3, respectively.