Ventilation for buildings. Ducts and ductwork components, leakage classification and testing Ingestion-build-79769 or similar governmental or nongovernmental

or similar governmental or nongovernmental organization

which covers transient performance

The incandescent light bulb or lamp is a source of electric light that works by incandescence

This type of spatial reference is sometimes called “indirect”

The switching amplifier mentioned in BS EN 60947-5-6 contains a d

Ventilation for buildings. Ducts and ductwork components, leakage classification and testing Ingestion-build-79769 or similar governmental or nongovernmental1 Scope This European Standard applies to technical ductwork products, intended for installation in ductwork conforming to EN 1505 and EN 1506, used in air conditioning and ventilation systems defined in the scope of CEN TC 156. This document specifies the leakage requirements for technical ductwork products, i. e. components in the ductwork that has more functions than conveying air, such as sound attenuators, filter boxes and duct fans, etc. The