Beteccad Fire Smoke Dampers MSFD-GB-31C3-A-R

The Beteccad MSFD-GB-31C3-A-R Fire Smoke Damper is a critical safety component designed for HVAC and ventilation systems, ensuring compliance with strict fire safety standards. Constructed with a robust 16-gauge galvanized steel frame and blades, this damper provides reliable performance in critical life-safety applications. It features parallel-operated 'V' type blades with silicon rubber seals and stainless steel jamb seals to maintain airtight integrity during normal operation and fire events.

Engineered to meet UL-555S test ratings, this damper offers a 3-hour fire rating and Class III leakage performance. It is suitable for high-velocity applications up to 2000 fpm and operates safely under a maximum pressure of 4 in. w.g (1000 Pa). The unit includes a thermal response device (TRD) rated at 165°F (74°C) for automatic closure upon fire detection, ensuring rapid isolation of smoke and fire spread.

Key Features & Specifications

• Fire Rating: 3 hours (UL-555S)
• Leakage Rating: Class III
• Max Velocity: 2000 fpm
• Max Operating Pressure: 4 in. w.g (1000 Pa)
• Operating Temperature: 350°F (176°C) for ½ hr; 250°C (482°F) for 1-2 hr (HKFSD)
• Frame & Blades: 16-gauge (1.4-1.7 mm) galvanized steel; optional 304/316L stainless steel
• Seals: Silicon rubber blade seals and stainless steel jamb seals
• Actuator Compatibility: Honeywell, Belimo, Siemens (24V AC, 120V AC, 230V AC)
• Controls: Limit switches for BMS open/close indication and manual reset push button

This damper is compatible with standard BMS integration and offers flexible installation options, including factory or field-installed sleeves and optional round duct transitions. It complies with SMACNA, NFPA, IBC, BOCA, and ICBO standards, making it a trusted choice for commercial and industrial building projects in Saudi Arabia.