There are two main types of fire dampers: dynamic fire dampers and static fire dampers. Dynamic fire dampers have been UL tested to close against sys- tem air pressure and velocity.
What is a mechanical fire damper?
Fire dampers are ducting fittings. They are usually used whenever there is a fire-resistant wall in the property. Because of the ducting vent, there will be a place through which fire and smoke can escape from one room to another. Fire dampers are what stops the flames and smoke from passing through.
What is an intumescent fire damper?
INTRODUCTION. BOSS Intumescent Fire Dampers allow the bi-directional movement of air through fire rated walls and floors. In a fire situation the slats in the damper intumesces and swells to many times the original size, closing the damper and forming a solid fire barrier.
What is the difference between smoke dampers and fire dampers?
A fire damper closes once the duct temperature reaches a high enough level to melt a fusible link. A smoke damper closes upon the detection of smoke. It is UL leakage-rated to stop smoke in its tracks, which is a main difference from fire dampers.
What is the HS Code for fire damper?
Import Data and Price of fire damper under HS Code 8415 | Zauba.
What is a Type A fire damper?
Type-A Fire Damper: Used when the airflow interruption from the stack of blades in the fire damper frame is not a prime concern or consideration. Type-A dampers are the easiest and fastest type to install and are mostly used in low-pressure part of duct systems (up to 2” w.c.).
What is the difference between a fire damper and a smoke damper?
How do intumescent fire dampers work?
Our intumescent grilles combine air movement with fire protection. In everyday use, air can pass freely through the grilles to allow good ventilation. In a fire, the intumescent expands, fusing the grille into a solid block that stops fire spreading.
What is intumescent paint?
What Is Intumescent Paint? Intumescent paint or intumescent coatings help passively increase a building’s resistance to fire. When exposed to extreme temperatures, these coatings expand. The coatings lose density as they expand; as a result, they act as an insulator.
What is the Trox 2 hour rated damper series?
The TROX 2 hour fire rated damper series FDF provides isolation of fire areas in venitlation and air conditioning systems. The construction and operation corresponds to the principal require- ments of fire protection installations. The symetrical position of the damper blade facilitates installation into walls or ceilings
How are fire dampers and smoke control dampers listed?
All TROX CE-certified fire dampers and smoke control dampers are listed according to: Classification according to structure type, installation location and fire stopping execution/material: Product search A-Z Find out quickly and simply. TROX Easy Product Finder Fast. Reliable.
What are the fire dampers tested according to DIN EN 1366-2?
4/14/EN/2 Fire dampers Type EN-FKS-K90 tested according to Euro standard DIN EN 1366-2 with General building approval Z-41.3-653 TROX GmbH Heinrich-Trox-Platz D-47504 Neukirchen-Vluyn Telephone +49 / 28 45 / 2 02-0 Telefax +49 / 28 45 / 2 02-2 65 e-mail [email protected]
What size fire damper do I need for my wall?
Large circular fire damper for the isolation of duct penetrations between fire compartments, available in nine nominal sizes. Nominal sizes: 315 – 800 mm. For mortar-based installation in solid walls, ceiling slabs and lightweight partition walls. Dry mortarless installation into lightweight partition walls.