Non-Drainable Louver - 4" Deep - 37-1/2 Degree K-Blade - Extruded Aluminum - EFK-437

Extruded Aluminum Louver
4" Deep - 37-1/2 Degree K-Blade

The EFK-437 extruded aluminum louver is designed for intake and exhaust application where protection against water infiltration is not critical. The EFK-437 is well suited for special shape applications and is available with hidden mullions for a continuous blade appearance of multiple section assemblies. The EFK-437 is available in a wide array of anodized and painted finishes including custom color matching.

Specification

Standard Construction
Material: Mill finish 6063-T5 extruded aluminum.
Frames: 4" deep x 0.081" thick (102 x 2) channel.
Blades: 37-1/2^o x 0.081" (2) thick K-style.
Screen: 1/2" x 0.063" (12.7 x 1.6) expanded and flattened aluminum.
Minimum Size: 4.5" x 8" (114 x 203)
Maximum Size:
Single Section: 60" x 120" (1524 x 3048) or 120" x 60" (3048 x 1524)
Multiple Section: Unlimited

Ratings
Free Area: 8.9 ft² (0.82 m²)
Performance @ Beginning Point of Water Penetration
Free Area Velocity: 772 fpm (3.92 m/s)
Air Volume Delivered: 6853 cfm (3.23 m³/s)
Pressure Loss: 0.09 in. wg. (23 Pa)
Velocity @ 0.15 in. wg. Pressure Loss: 991 fpm (5.03 m/s)
Design Load: 30 psf
AMCA Certified for Water Penetration and Air Performance

Technical specification

Unique ref.Non-Drainable-Louver-4-Deep-37-1-2-Degree-K-Blade-Extruded-Aluminum-EFK-437
Product familyHVAC
Product groupLouvers and Penthouses
TypeObject (single object)
Date of publishing2024-07-16
Edition number1

Links

Product urlhttps://www.pottorff.com/product/details/197

Classification

BIMobject CategoryHVAC - Ductwork
Uniclass 2015 CodePr_30_59_48
Uniclass 2015 DescriptionLouvres and components
CSI MasterFormat 2014 Code08 91 00
CSI MasterFormat 2014 TitleLouvers
OmniClass Number23-33 29 31
OmniClass TitleLouvre Dampers

Region availability

North America
Anguilla
Antigua and Barbuda
Aruba
Barbados
Belize
Bermuda
British Virgin Islands
Canada
Caribbean Netherlands
Cayman Islands
Collectivity of Saint Martin
Costa Rica
Cuba
Curaçao
Dominica
Dominican Republic
El Salvador
Greenland
Grenada
Guadeloupe
Guatemala
Haiti
Honduras
Jamaica
Martinique
Mexico
Montserrat
Nicaragua
Panama
Puerto Rico
Saint Kitts and Nevis
Saint Lucia
Saint Pierre and Miquelon
Saint Vincent and the Grenadines
Saint-Barthélemy
Sint Maarten
The Bahamas
Trinidad and Tobago
Turks and Caicos Islands
U.S. Virgin Islands
United States