Combination fire and smoke dampers are used in heating, ventilation, and air conditioning (HVAC) to protect duct and air transfer opening penetrations through fire smoke rated construction (walls and floors). These dampers are UL 555 and UL 555S classified.

2023年8月17日 · Fire Damper. Smoke Damper. A listed device installed in ducts and air transfer openings designed to resist the passage of smoke. The device is installed to operate automatically, controlled by a smoke detection system, and where required, is capable of being positioned from a fire command center.

2023年10月21日 · Smoke Damper or Combination Fire/Smoke Damper. The primary function of Smoke dampers according to the NFPA is to control the movement of smoke in dynamic air distribution systems, and they reduce the possibility of …

What Are Combination Fire and Smoke Dampers? Combination fire and smoke dampers are the best of both worlds when it comes to passive fire protection products. This style helps protect against the spread of smoke and flames within an HVAC system and is available in three class ratings: Leakage; Low leakage; Ultra-low leakage

Model Series 1220 and 1220-3 Combination Fire/Smoke Dampers provide the ultimate in fire containment and smoke control for both static and dynamic smoke management systems.

The easiest explanation of what a fire damper and smoke damper does is that they interrupt flames, smoke, and heat from passing through your HVAC system. Below is a full explanation of what they do, how they work, and how they differ.

Fire dampers are designed to close automatically when heat is detected and are used to restrict the spread of fire where ducts and air transfer openings penetrate fire walls, fire barriers, fire partitions, horizontal assemblies and shaft enclosures.

Fire and smoke dampers play a vital role in enhancing fire safety in buildings. For a more comprehensive solution, combination fire and smoke dampers can be installed, offering protection against both fire and smoke propagation.

Safe-Air Dowco has many years of experience in making UL555 and UL555S classified Combination Fire and Smoke Dampers to protect openings through fire and smoke rated walls and floors.

2020年10月12日 · Combination fire-smoke dampers are used to restrict the spread of fire and movement of smoke where ducts and air transfer opening penetrate assemblies that are designed to restrict the passage of both fire and smoke.