Beteccad Fire & Smoke Damper (Fail Close) 3-Hour Rated
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UL-555 certified 3-hour fire damper with parallel 3-V blades, galvanized steel frame, and 165°F fusible link for HVAC safety.
in stock
Product description
Ensure critical life safety in your HVAC infrastructure with the Beteccad Fire & Smoke Damper, model MFD-GB-F-D-30-A-R. Engineered to meet UL-555 standards, this fail-close damper provides a robust 3-hour fire rating, effectively containing fire and smoke within ductwork compartments. Ideal for commercial, industrial, and residential projects requiring strict compliance with NFPA, SMACNA, and IBC codes.
Key Features & Construction
- High-Performance Blades: Features parallel-operated 'V' type blades made of 16-gauge (1.4 mm - 1.7 mm) galvanized steel for optimal airflow control and fire resistance.
- Durable Frame: Constructed with a 16-gauge galvanized steel frame for long-term structural integrity under high-velocity conditions up to 2000 fpm.
- Reliable Actuation: Equipped with a 165°F (74°C) fusible link and a 30lb mild steel spring for automatic closure upon fire detection. Compatible with Honeywell actuators (24V AC, 120V AC, 230V AC).
- Sealing & Safety: Includes stainless steel jamb seals and silicon rubber blade seals to maintain airtightness. Features an external open/close indicator and manual reset push button.
- Compliance: Sleeve thickness adheres to NFPA Table 3-4.6.3 standards. Includes limit switches for BMS integration and optional retaining angles for secure installation.
Applications
Designed for installation in air handling units, ductwork transitions, and fire-rated walls or floors. The standard actuator location is on the left side from the rear (jack shaft) view, facilitating easy maintenance and inspection. Custom fusible link temperatures above 165°F are available upon request.
