Thermoplastics piping systems for non-pressure applications. Test method for watertightness Ingestion-build-266356 The EN 71 series is

The EN 71 series is prepared under a mandate given to CEN by the European Commission and the European Free Trade Association and supports essential requirements of EU Directive 2009/48/EC

showing that the validity of the assessment is not compromised by IT delivery

Fire and smoke curtain barriers allow for greater freedom of design while ensuring minimal visual impact

This framework recognizes that current levels of resource consumption related to materials exceed that which can be replaced by natural means

Ammoniacal nitrogen can also be made available to plants through a process known as nitrification

Thermoplastics piping systems for non-pressure applications. Test method for watertightness Ingestion-build-266356 The EN 71 series isWhat is this standard about? This International Standard specifies a test method for watertightness of thermoplastics products fabricated from more than one piece for non pressure applications, and joints of thermoplastics piping systems for non pressure applications.