ČSN EN 16475-4 (73 4210)

This document specifies the characteristics and test methods for flue dampers that are used as components, carrying flue gas, in order to limit the flow in a chimney or to prevent back flow of soot during cleaning of the chimney or to prevent the backflow of the flue gas e.g. in case of multi-served chimneys.
This document covers only flue dampers incorporated in a housing and installed inside a building.
This document covers only flue dampers with sealings made of elastomeric materials for temperature classes up to T 200 and corrosion class 1 or 2 in accordance with EN 14241-1 or sealing materials for dry applications with a fire reaction class A1 in accordance with EN 13501-1.
This document covers only flue dampers with motor drive, casing and flue damper plate which are interlocked in such a way that they can only be separated by using tools.