How sand trap louver works?
How sand trap louver works?
Sand trap louver are designed with a set of U channels arranged in series on one side and another set of inverted U channels arranged parallel to the first set. This arrangement creates a resistance or barrier for the sand particles in the intake air and thus settles down.
What is sand trap louvers?
Construction Specialties sand trap louvers are specially designed to protect air intake from wind-driven sand. Our unique design combines rows of vertical blades to separate sand from the air stream. The sand is then safely channeled away on the sloping sill of the louver.
What is fresh air louver?
Fresh Air Louvers are used for fresh air intake or exhaust to prevent rain water or bird entering into the building or ducts system. They also give a neat external look to the building.
How do you select sand trap louvers?
The length (m) and width (m) of sand trap louver can be determined from the face area calculated with respect to the opening provided at the site. The length (m) and width (m) of sand trap louver can be determined from the face area calculated with respect to the opening provided at the site.
How do you size a louver?
The industry standard practice is to specify “nominal” dimensions with width first and height second. To allow for proper fit in the wall opening, the “actual” dimension of the louver is normally ¼” less. For example, a 36” x 24” louver will be fabricated as 35.75” wide x 23.75”high.
How do I figure out my louver size?
What is bird screen in louver?
Louvers can have two different types of screens: insect screen or bird screen. Insect screens have smaller perforations for blocking small critters, while bird screens have large holes for keeping birds out of your louvers. Insect screens will have a greater effect on air performance than bird screens.
How does a fresh air damper work?
The Fresh Air Damper (FAD) is a 24VAC power-open, power-close motorized air damper designed for installation in a fresh air ventilation duct connected to an outdoor air intake hood and a duct fan or the HVAC return plenum, to control the flow of fresh air into the home.
How is louver calculated?
We can now determine how much air can safely be run through the louver by multiplying the louver free area by the design velocity ( 7.2 sq ft x 893 fpm). The resulting Volume of Air for Louver 1 is 6424 cfm.
How do you pick a sand trap louver?
How do you calculate the airflow of a louver?
