The standard applies to cylindrical sleeves for drainage pipes intended for the dewatering or infiltration of soils. This standard is intended to be applied for the external control of the manufacturer's internal quality assurance, in the context of the granting of a quality mark.
NEN 7080-1982 history
1982NEN 7080-1982 Thermoplastics cylindric sockets with snap on connection for ribbed sub-oil drainage pipes