Ductile iron pipes, fittings, accessories and their joints for sewerage applications - Requirements and test methods; German version EN 598:2007— 70 стр.
Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: General requirements and performance characteristics; German version EN 13476-1:2007— 31 стр.