Dayton 4″ Round Fire Damper – 165°F Rated

The **Dayton 4″ Round Fire Damper** is a durable, galvanized steel solution designed for fire safety in HVAC and ductwork systems. Built to **NFPA 80** standards, this damper provides reliable protection against fire spread while maintaining efficient airflow. Its **165°F temperature rating** ensures it remains operational in high-heat scenarios, making it ideal for commercial, industrial, or residential applications where fire resistance is critical.

Constructed from heavy-duty galvanized steel, this damper features a **single panel design** with a **free area of 0.1 sq ft**, allowing for optimal airflow while meeting safety requirements. The **maximum air velocity rating of 2000 fpm** ensures compatibility with standard duct systems, and its **4″ nominal diameter** fits seamlessly into round ductwork. Made in the USA, this damper delivers long-lasting performance with minimal maintenance, making it a trusted choice for fire protection in ventilation systems.