The purpose of this standard is to lay down the specifications for unplasticized PVC fittings intended for unplasticized PVC tubes for 1) domestic drainage pipes:
——non-underground indoor wastewater evacuation pipes buildings;
——underground drainage pipes to the main street sewer;
——rainwater drainage pipes. 2) sewer pipes.
NBN T 42-601-1976 history
1976NBN T 42-601-1976 Fittings of unplasticized PVC for pipes of unplasticized PVC for domestic waste discharge and sewage