NL SERIES
Louvre grilles in a noise-attenuating design to protect air conditioning systems from rain, leaves and birds entering the air intake and air outlet openings
Maximum width 1800 mm, maximum height 2250 mm
Low aerodynamic drag due to streamlined lamellas
Low noise air flow
Aerodynamic characteristics measured in specialized aerodynamic and acoustic laboratories
Absorbent material covered with fiberglass and supported by perforated metal sheet
Blinds with two rows of slats to reduce noise levels
The inactive section, which does not perform acoustic functions, is used to give the structure a uniform appearance
Multi-section designs for larger sizes
Additional equipment and accessories
Powder coating or anodizing
Application
External louvre grilles in noise-attenuating design, NL series, for air intake and air outlet openings of air conditioning systems
Protects the system from rain, as well as from leaves, birds, etc. getting inside.
The recommended speed in the frontal section for the external air intake openings is no more than 2 – 2.5 m/sec.
Weather and noise protection with a compact, reduced depth unit
Characteristics
Two versions with different depths for standard and increased noise requirements
Streamlined doors
Sound-absorbing material held by perforated metal sheet
Design
S: Galvanized sheet steel
A: Aluminum
NL: Soundproof blinds
NL-H: Blinds with two rows of slats for applications with increased noise requirements
The inactive section, which does not perform acoustic functions, is used to give the structure a uniform appearance
