[EN 16798-5-1:2017, 3.2]:leakage air volume flow rate going to the extract air ducts, extracted from a ventilation zone. 

[EN 16798-5-2:2017, 3.4]:mean leakage air to the extract air ducts extracted from the zone.

[EN 12792-2003, 121]:means taken either to ensure the airtight sealing of the air distribution system or to minimize leakage there fromNOTE Various techniques can be used according to the type of joint used to achieve this objective such as welds, … Continue reading →