Unplasticized Polyvinyl Chloride (PVC-U) Pipes and Fittings for Drainage Systems Inside Buildings Part 10: Fire Behaviour, Quality Control and Installation DIN 19531-10
3 Fire behaviour3.1 Requirements and testingThe material used for pipes and fittings shall fulfil the requirements for class B1 building materials, as specified in DIN 4102-1. Fire behaviour shall be tested as in DIN 4102-1, with the exception of pipes and fittings with wall thicknesses as in DIN 4102-4. 4 Conformity assessment (quality control)4.1 General…