Fire classification of construction products and building elements - Classification using data from fire resistance tests on components of smoke control systems LONG_TITLE MODE II uses metal particle

MODE II uses metal particle tape and permits frequency modulated (FM) audio signals to be recorded

— pressure safety valve

It shall be used together with EN 6059-100

5 Hz to 80 Hz

Fire classification of construction products and building elements - Classification using data from fire resistance tests on components of smoke control systems LONG_TITLE MODE II uses metal particleWhat is BS EN 13501 4 Components of smoke control systems about ? BS EN 13501 4 is a European Standard that discusses the fire classification of construction products and building elements. BS EN 13501 4 is the fourth part of the series that specifies the procedure for classification of components of smoke control systems, using data from fire resistance tests which are within the field of application of the relevant test methods. Products covered by