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Acoustic Louvres

Acoustic louvres reduce noise pollution from plant rooms and air handling systems, whilst providing essential intake or exhaust airflow to the equipment behind.

Designed to be used in any type of building with the requirement to reduce noise from air intake/exhaust openings, from power stations and chemical treatment plants to commercial office buildings or manufacturing plants.

MODELS

A-150S
  • Horizontal Blades
  • Visible Mullions
  • 150mm Deep
  • 150mm Pitch
A-300S
  • Horizontal Blades
  • Visible Mullions
  • 300mm Deep
  • 150mm Pitch
A-300C
  • Horizontal Blades
  • Visible Mullions
  • 300mm Deep
  • 150mm Pitch
A-600C
  • Horizontal Blades
  • Visible Mullions
  • 600mm Deep
  • 150mm Pitch

ACOUSTIC PERFORMANCE

Frequency (Hz)631252505001k2k4k8kSRI
(RwdB)
Sound Reduction Index (dB)
A-150S7.72.52.74.810.312.610.88.910
A-300S10.44.56.39.316.917.615.211.812
A-300C8.32.44.36.913.913.913.11315
A-600C105.78.716.221.220.12019.919

MODELS

A6370
  • Horizontal Blades
  • 152mm Deep
  • 254mm Pitch
  • ~25kg/m² Louvre weight
  • 21.6% Free Area*
A8370
  • Horizontal Blades
  • 203mm Deep
  • 216mm Pitch
  • ~32kg/m² Louvre weight
  • 23% Free Area*
A12350
  • Horizontal Blades
  • 305mm Deep
  • 298mm Pitch
  • ~45kg/m² Louvre weight
  • 23.3% Free Area*
A12350W
  • Horizontal Blades
  • 305mm Deep
  • 298mm Pitch
  • ~45kg/m² Louvre weight
  • 23.3% Free Area*

ACOUSTIC PERFORMANCE

Octave Band Centre Frequency (Hz)631252505001k2k4k8k
Transmission Loss (dB)A63708771014171313
A83709771118191413
A1235097101422242322
A12350W61014182019

Noise Reduction = Transmission Loss + 6dB

AERODYNAMIC PERFORMANCE

Face VelocityPd @1m/s (Pa)Pd @2m/s (Pa)Pd @3m/s (Pa)Pd @4m/s (Pa)
A6370Intake22.991.5205.8365.9
Exhaust22.991.5205.8365.9
A8370Intake16.867.4151.6269.5
Exhaust2287.9197.8351.7
A12350Intake38.3153344.3612.1
Exhaust43.1172.5388.1689.9
A12350WIntake38.3153344.3612.1
Exhaust43.1172.5388.1

FINISHES & COLOURS:

  • Mill finish
  • Polyester powder coated
  • Zero VOC fluoro-polymer powder coated

ACCESSORIES:

  • Blanking plates
  • Bird/vermin guards
  • Insect mesh
  • Louvred doors

Acoustic Models

Louvre ModelConfig.Louvre Depth (mm)Blade Spacing (mm)Rain DefenceFree Area (4'x4')Free Area (8'x8')PD @900 FPM
A-6370Mullion150250221.6%25.4%0.09
A-8370Mullion200213223.0%30.0%0.07
A-8860Mullion241150228.5%33.9%0.06
A-8890Mullion200150228.5%33.9%0.06
A-12350Mullion"300298223.3%32.4%0.17
A-12360Mullion300375224.3%31.7%0.09
A-12370Mullion300300222.0%26.6%0.07
A-12970Mullion300300222.0%26.6%0.06
A-8860Mullion241150228.5%33.9%0.06

Acoustic Models

Louvre ModelConfig.Louvre Depth (mm)Blade Spacing (mm)Rain DefenceFree Area (4'x4')Free Area (8'x8')PD @900 FPM
A-6370Mullion150250221.6%25.4%0.09
A-8370Mullion200213223.0%30.0%0.07
A-8890Mullion200150228.5%33.9%0.06
A-12350Mullion"300298223.3%32.4%0.17
A-12370Mullion300300222.0%26.6%0.07

Louvres

What's in the brochure
  • - Industry Leading Products
  • - Innovative New Design Options
  • - Detailed Technical Information
  • - Louvre Specification Guidance

+44 (0)1296 652800
sales@c-sgroup.co.uk
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Email: sales@c-sgroup.co.uk

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