ISO 9001 : 2008

CERTIFIED

WL B-20 Series – AMCA

AMCA 500-L Tested Weather Louver
Heavy Duty Non-Drainable Louver
Type : A* – Wall Mounted; B – Duct Mounted; C – Flush Mounted

 

BETEC CAD. Manufactures Model WL AB 21A/B/C weather louver with and without damper combinations, which are designed for both intake and exhaust air applications. These louvers have been designed for minimum pressure loss and low self-generated aerodynamic noise.

Standard Construction

Frame Material

70 mm deep 2mm thick extruded aluminum angle.

Blade Material

1.5 mm thick extruded aluminum.

Blade Orientation

Horizontal.

Blade Type

Fixed.

Blade Angle

45° Degree

Finish :

Mill finish

Optional Fittings

Screen

Galvanized Steel 0.4mm thick
S-3 SS Bird screen
S-10 SS Fly screen

Filter

13 / 25 mm thick aluminum filter

Damper

Control Damper

Finish

Available with RAL Powder coating, please specify color.

Optional Construction Details

Frame : Thickness up to 4 mm
Blade : Thickness up to 4 mm

Features

• Closely spaced horizontal blades minimize the penetration of wind-driven rain, reducing damage and additional operating expenses.

• Free Area 45.4%

• Performance as per AMCA 500 – L

• Excellent pressure drop performance.

• Aluminum construction for low maintenance and high resistance to corrosion.

 

Alphabet indicates the type of installation

A – Wall Mounted
B – Duct Mounted
C – Flush Mounted

Note:

Maximum single module construction – 2 x 1.5 meters.
Multiple module available with mullion.

Request for Quotation

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    Galvanized construction, 3-hour, Class 3 leakage at 350° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
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  • MSFD-GB-31C2-A-R

    Galvanized construction, 3-hour, Class 2 leakage at 250° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
    Read more
  • MSFD-GB-31C1-A-R

    Galvanized construction, 3-hour, Class 1 leakage at 250° F, 3V single skin blade, 4 in. wg, 2000 fpm, operating temperature 250° C up to 2 hours
    Read more