Product Description MULLION LINE LOUVREIntroductionThe
Mullion Line series comes complete with visible support mullions.
It has proven to be a real workhorse, withstanding rigorous testing
to offer great rain defence performance and excellent airflow
characteristics.Product DrawingLouvre ModelAL150RS-9AL75RSBlade
ConfigurationDoubleSingleSystem Depth150 mm79 mmPitch75 mm62
mmVsiual Blade OreientationHorizontalHorizontalVisual Impact Of
Mullions/JambsHiddenVisible
Rainwater Penetration(Airflow Velocity In
M/S)0.0AC0.5AC1.0BC1.5BD2.0CD2.5CD3.0DD3.5DDAirflow
Coefficient0.2530.355Airflow Class32Aireflow RatingGoodVery
GoodRecommend Products TestingWeather Louvre: UK
BSRIA/US AMCA TestingThe industry standard for weather testing of
Louver in the UK was developed by BSRIA(Building Services Research
& Information Association) and HEVAC adopted in 2001 as a British &
European Standard: BS EN 13030:2001. The principles of EN 13030 are
replicated in the USA under the AMCA Standard 500-L, "Laboratory
Methods of Testing Louvers for Rating"All of our louver systems
have been tested either by BSRIA or by AMCATwo key performance
areas:1. Rain Defence ClassificationThe ability to prevent
rainwater from penetrating the louverClass EffectivenessMax.
allowed rain penetration l/h/m²11 to 0.990.7520.989 to
0.953.7530.949 to 0.8015.004Below 0.80Greater than 15.00NOTE: Water
Penetration Effectiveness is measured for each of eight face
velocities between 0m/s and 3.5m/s under fan-driven wind at a speed
of 13m/s and water sprayed as rainfall at a rate of 75 l/h
conditions.2. Discharge Loss Coefficient ClassificationA high
coefficient means low resistance and high airflow
performanceClassAirflow EffectivenessPerformance Rating10.4 to
1Excellent20.3 to 0.399Very Good30.2 to 0.299Good40.199 &
belowFairIf you are interested in our product or have any
questions. Please feel free to contact us! Project
Reference If you are interested in our products or have any
questions. Please feel free to contact us!/* March 10, 2023
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