DFD60-3 UL 555 3 hr. Dynamic, Airfoil Blade, 4,000 fpm and 8″ w.g. max, Optional Sleeve
March 9, 2020FSD35 UL 555/555S 1.5 hr./Class III, V-Groove Blade
March 9, 2020
DIBD230 UL 555 3 hr. Dynamic, Curtain Type, 4,000 fpm and 4″ w.g. max, 12″ Integral Frame/Sleevee
The DIBD230 is a UL555 Classified Curtain Type Dynamic Fire Damper. It features:
- An integral sleeve that ensures appropriate sleeve installation and allows delivery direct to the job site.
- 3-Hour Rating
- Vertical and horizontal closure spring operation for assured closure under airflow (fans on) in HVAC systems.
- Galvanized steel construction.
- Maximum velocity 4,000 fpm.
- Maximum 4” static pressure.
Description
APPLICATION
DIBD20, 40, 60 fire dampers can be installed vertically in walls or horizontally in floors with fire resistance ratings of less than 3 hours. The DIBD20, 40, 60 carry an 11/2 hour UL fire damper label and are classified as a dynamic damper for use in HVAC systems that remain in operation during a fire.
DIBD230, 430, 630 can be installed vertically in walls or horizontally in floors with fire resistance ratings of 3 hours or more. The DIBD230, 430, 630 carry a 3 hour UL fire damper label and are classified as a dynamic damper for use in HVAC systems that remain in operation during a fire.
OPTIONS
- FM Approvals as Specification Tested Product.
- Switch Package to remotely indicate a damper blade position.
- FAST Angle for one side angle installation
- DIBD10 for easy all from one side installation.
- G Style for grille applications.
- FireStop Caulk Installation.
NOTE:
- Dimensions shown in parentheses ( ) indicate millimeters.
- Damper Sleeves ma need to be sealed in the field to pass local duct leakage requirements
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