MFD-GSB-30-A-R Beteccad Fire Damper 3-Hour Round
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Product description
The MFD-GSB-30-A-R Beteccad fire damper is a critical life-safety component designed to prevent the spread of fire and smoke through HVAC ductwork. Certified to UL 555 standards with a 3-hour fire rating, this damper ensures compartmentalization of fire zones in commercial and industrial buildings.
Constructed with a robust 16-gauge (1.4 mm - 1.7 mm) galvanized steel frame and precision-engineered 3 'V' type blades made of stainless steel, the unit offers superior durability and thermal resistance. The parallel-operated blades are equipped with silicon rubber seals to maintain a tight closure when activated.
Key Technical Features
- Fire Rating: 3 hours (UL 555 compliant).
- Construction: 16-gauge galvanized steel frame; Stainless steel V-blades.
- Operation: Parallel actuation with 1/2" (12 mm) square galvanized steel jack shaft.
- Thermal Response: TRD activates at 165°F (74°C).
- Actuator: Compatible with Honeywell actuators (24V AC, 120V AC, 230V AC).
- Indication: Externally mounted open/close indicator and push button for manual reset.
- Accessories: Includes retaining angles, limit switches for BMS, and round duct neck adapter.
This damper is suitable for round duct connections and complies with SMACNA, NFPA, IBC, BOCA, and ICBO standards. The fail-close mechanism ensures the damper closes automatically in the event of a fire, enhancing building safety and code compliance.
