ASHRAE Journal Supplement - AMCA In Motion - Fall 2016 - 22
THE AMCA SAND LOUVER COMMITTEE
Introducing the AMCA Sand
Louver Test Standard
This article was taken from an AMCA white paper describing how airborne sand has posed an
increasing challenge and how sand louvers can help mitigate sand-related problems.
F
or building owners in Persian Gulf countries, sand storms
have long been a fact of life and a threat to HVAC
equipment. And beyond the gulf, sand penetrates into buildings on islands, in coastal regions and in deserts-wherever
wind, sand and buildings coexist. For this reason, there is
growing global attention on the quantity of sand that moves
through the louvers installed on building facades and casements of equipment penthouses and enclosures. But a great
help has been introduced in this struggle against sand penetration, and that is the introduction of louvers specifically designed,
Vertical Louver Blade
∠20x30x3 Support
Louver Jamb
Louver Head
Vertical Louver Blade
∠20x30x3 Support
∠20x30x3 Support
Vertical Louver Blade
Louver Sill
Sand louver with a plate containing holes for sand to
exit. Image courtesy of Ruskin Titus Gulf.
22
Summer 2016
AMCA
Figure 1. Cross section of a sand trap louver showing how
sand is stripped from the airstream and allowed to fall to a
bottom rail and fall toward the ground outside the building.
Image courtesy of McGill Architectural Products.
inmotion
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Table of Contents for the Digital Edition of ASHRAE Journal Supplement - AMCA In Motion - Fall 2016