ČSN EN 16475-6 (73 4210)

This document specifies the requirements and test methods for access components comprising a frame and a door or doors which provide access to the flue of a chimney for the purpose of inspection or cleaning.
Access components for higher nominal working temperature than 450 °C, positive pressure and wet applications are not covered by this standard.
The document is limited to access components with door opening dimensions with a maximum width of 450 mm and a maximum height of 600 mm.
Products not freely ventilated are excluded from this document.
This document also specifies the requirements for marking, manufacturers' instruction, product information and information on the AVCP (Assessment and Verification of Constancy of Performance).
Access components already tested together with system chimney products or other chimney components, e.g. flue liners, are not covered by this document.