1.5 Hour Smoke Leakage Class II Front Access Grille Airfoil Blade Fire/Smoke Damper
This damper automatically closes upon loss of power, and is controlled by a smoke detection system.
Notable Features
Airfoil Blade
Front Access Grille
Smoke Leakage Class II
1˝ Hour Fire Resistance Rating
Dual Direction Airflow
Approved for Dynamic Conditions
UL Approved
AMCA Tested
Quick Specs
Depth:            5˝"
Orientation: Vertical or Horizontal
Frame Material:        16 ga. Galvanized Steel
Frame Type: Hat Channel
Blade Material:         20 ga. Double-Skinned Galvanized Steel (equal to 14 ga.)
Blade Action: Parallel
Blade Seals: Silicone
Jamb Seals: Stainless Steel
Actuator: EHRD/PHRD
UL Classified: 1˝ Hour Fire Resistance
Smoke Leakage Resistance Class II
250°F or 350°F
Approved for Dual Direction Airflow
Approved for Dynamic Conditions
AMCA:           Tested to Standard 500D
Max Differential Pressure: 4 in. wg.
Max Velocity: 2000 FPM
Construction & Performance Requirements Met Underwriters Laboratories, Inc. (UL): Standard 555 and 555S, National Fire Protection Association Standards 80 and 90A, ICC's International Building Code, New York City MEA Listing #111-99-M, California State Fire Marshall Listing #3225-1328:118

Customers Reviews

Total Reviews: 0
Information Request for FA2HE250

Engineering & Selection

Northern Equipment Supply Int'l, LLC (NESI) has a team of qualified engineers with an extensive experience in the different segments covered, which allows to provide our customers with ...
>>Read More


In order to facilitate the commercialization process, we can provide logistical assistance as required to manage the cargo while it is in transit from the factory to the job site.
>>Read More

Post Sale Service

In order to ensure proper incorporation of a computer to a particular system, we can offer the benefit of starting at a competitive cost and on the advice of our technicians trained and ...
>>Read More