DIBD230 UL 555 3 hr. Dynamic, Curtain Type, 4,000 fpm and 4″ w.g. max, 12″ Integral Frame/Sleevee
March 9, 2020
FSD36 UL 555/555S 1.5 hr./Class II, V-Groove Blade, 2,000 fpm and 4″ w.g. max, Optional Sleeve
March 9, 2020
FSD35 UL 555/555S 1.5 hr./Class III, V-Groove Blade
FSD35 COMBINATION FIRE AND SMOKE DAMPER 11/2 HOUR UL555, UL555S Leakage Class 3 Classified
Combination Fire/Smoke Damper is both UL555 and UL555S Classified. It is rated as a 1-1/2 hour fire damper and a Leakage Class I, II & III.
Ruskin Company certifies that the Combination Fire/Smoke Damper shown hereon is licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 511 and comply with the requirements of the AMCA Certified Ratings Program. The AMCA Certified Ratings Seal applies to air performance for these Dampers. It features:
Triple V-Groove Blades & aerofoil blades as well. Standard Maximum rating of 2,000 fpm and 4″ w.g. other options also available. UL approval for dual directional airflow. Fail-safe design, which enables the damper to automatically assume the desired position when fire or smoke (if the smoke detector is present) interrupts operational power. The EFL or PFL heat-actuated release devices permit controlled closure through the actuator and are automatically remote resettable after test, smoke detection, or power failure conditions. Galvanized steel construction.
Enquiry about FSD35 UL 555/555S 1.5 hr./Class III, V-Groove Blade
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APPLICATION
The FSD35 is a combination fire and smoke damper designed with triple V-groove blades and controlled closure technology that provides point-of-origin fire containment and operational flexibility in static and dynamic smoke management systems.
The FSD35 is designed to be installed vertically in walls or horizontally in floors in HVAC systems with velocities to 2,000 fpm and pressures to 4″ w.g. (consult Ruskin for proper application if velocity and pressure exceed those listed above).
NOTES:
- Dampers are furnished approximately 1/4″ (6) smaller than given opening dimensions.
- Dimensions shown in parentheses ( ) indicate millimeters.
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