Beteccad MSFD-GB-31C3-A-R Fire & Smoke Damper
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Product description
The Beteccad MSFD-GB-31C3-A-R is a high-performance fire and smoke damper designed to meet stringent safety standards including UL 555/555S, SMACNA, NFPA, IBC, BOCA, and ICBO. Engineered for critical HVAC applications, this damper provides a reliable 3-hour fire rating and Class III leakage performance, ensuring maximum safety and air quality control in commercial and industrial facilities.
Key Features
- Fire Rating: 3 hours with a thermal response device (TRD) set at 165°F (74°C).
- Leakage Rating: Class III with a maximum velocity of 2000 fpm.
- Construction: 16-gauge (1.4 mm - 1.7 mm) galvanized steel frame and parallel 'V' type blades.
- Sealing: Silicon rubber blade seals and stainless steel jamb seals for optimal airtightness.
- Actuation: Compatible with Honeywell, Belimo, and Siemens actuators (24V AC, 120V AC, 230V AC).
- Operating Limits: Max operating pressure of 4 in. w.g (1000 Pa) and temperature up to 350°F (176°C) for ½ hour.
This damper features a robust jack shaft mechanism and optional fittings such as limit switches for BMS integration and external indicators for manual reset. The standard construction includes a 16-gauge galvanized steel frame with parallel-operated V-blades, while optional stainless steel (304/316L) construction is available for corrosive environments. Designed with a left-side actuator location from the rear view, it integrates seamlessly into modern building management systems.
