SD35 SMOKE DAMPER UL555S Leakage Class 3 Classified
March 9, 2020
TAPERED DISSIPATIVE
March 10, 2020
DFD35SS UL 555 1.5 hr. Dynamic, V-Groove Blade, 2,000 fpm and 4″ w.g. max, Optional Sleeve
The DFD35SS is a UL555 classified, 1 1/2 hour rated, multiblade fire damper. It features:
- UL approval for dual directional airflow.
- Maximum velocity of 2,000 fpm.
- Maximum 4″ static pressure.
- Stainless steel construction.
Enquiry about DFD35SS UL 555 1.5 hr. Dynamic, V-Groove Blade, 2,000 fpm and 4" w.g. max, Optional Sleeve
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Description
APPLICATION
The DFD35 and DFD35SS are 11/2 hour rated multiple blade Dynamic (Fan On) fire dampers. The DFD35 is constructed with triple vee-groove blades from galvanized steel and DFD35SS, 304 or 316 stainless steel, and can be installed vertically in walls or horizontally in masonry floors.
OPTIONS
- FM Approved as Specification Tested Product.
- SP100 Switch Package to remotely indicate a damper blade position.
- FAST Angle for one side angle installation.
- PFMA Angles for two side angle installation.
- The sleeve of various lengths and gauges to ensure field compliance with UL installation requirements.
- Jamb Seals stainless steel flexible metal compression type.
- Blade Seals silicone blade edge seal.
- Crank Lever to assist with testing and fuse-link replacement.
- GA, Grille Access for one side installation, and “out of wall” applications.
- OW, Out of Wall of application where the damper can not be installed within the plane of the wall or floor.
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