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PREFCO - Model 5000 / 5003 -Multiblade Fire Damper
The 5000 multi-blade fire damper is a 1 1/2 Hour UL 555 fire damper that can be either static or dynamic rated. This damper may be installed vertically or horizontally in barriers requiring less than 3 hours of fire protection. When applied in a dynamic (fans on) system, this damper has been evaluated with bi-directional airflow, and is rated to 3000 FPM and 4" static pressure in compliance with UL555 6th edition.
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- Frame : 4" Wrap around full channel frame -16 GA Galvanized Steel (Stanless 304 Steel optional)
- Blades : 22 GA Galvanized Steel (Stanless 304 Steel optional), Modified Triple-V Design
- Bearings : Integral Curl in Frame Design
- Linkage : 14 GA Galvanized, on Blade Type (in airstream)
- Heat Responsive Device : Fusible Link 165°F standard, 212°, 250° or 350°F optional
- Dual Blade Position Indicator Switches (Switch#1)
- Factory Supplied Sleeves - 18 or 14 Gauge, 18" or 24" deep (units with external mount actuators provided with 18 gauge side plate if no sleeve specified)
- Factory supplied `EZ Mount` mounting angles
- Single or Dual Blade stiffeners - for strength & stability of wider units in high pressure systems