Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 5: Cowls, assisted cowls and roof outlet terminal devices
STANDARD published on 1.5.2021
Designation standards: ČSN EN 13141-5
Classification mark: 127131
Catalog number: 511736
Publication date standards: 1.5.2021
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies methods for measuring: - the aerodynamic characteristics of cowls, fan assisted cowls and roof outlets; - the electrical and acoustic characteristics of fan assisted cowls. This document is applicable to cowls, assisted cowls and roof outlets used in natural, hybrid or mechanical ventilation and that are meant to be fitted onto ducts which project above the roof surface. This document does not apply to: - assisted cowls assisted by a device other than a fan (e.g. injection assisted cowls); - roof exhaust fans (see EN 13141-4)