Rated static fire dampers.
Fire damper types.
They work to help stop the spread of flame through your air ducts.
When a rise in temperature occurs the fire damper.
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Fire dampers are installed in fire walls fire barriers fire partitions and horizontal assemblies.
A fire damper closes once the temperature of the duct becomes high enough to melt the fusible link which holds it open.
Fire dampers are devices designed to impede the spread of fire through walls floors and partitions.
Type a b c.
The dampers are designed for operation in the vertical or horizontal position with blades running horizontal.
Up to 10 w c or high pressure 10 w c pressure ratings.
Please call for price.
This installation instruction applies to fire dampers static dynamic curtain single and multi blade types mounted in the plane of an ul approved fire partition.
A mechanical or intumescent device within a duct or ventilation opening that operates.
Fire damper designing buildings wiki share your construction industry knowledge.
Compared to an type a damper the total square inches.
Used when airflow or velocity in the duct is a concern.
The dampers are to be installed square and free from twisting or racking.
Type c dampers can be ordered with low pressure less than 3 w c medium high pressure from 3 w c.
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.
1 long welds or no.
Fire dampers are passive fire protection products used in heating ventilation and air conditioning hvac ducts to prevent the spread of fire inside the ductwork through fire resistance rated walls and floors.
Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts.
The type c fire damper is generally used where velocities are medium to high and free area is a consideration.
The term fire damper is defined by approved document b fire safety volume 2 buildings other than dwellinghouses as a.
14 x 3 4 sheet metal screws at the same spacing.
Static fire damper 3 hr ul rated.
Fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems designed to close upon the detection of heat.
Applications where fans shut down.
Home fire dampers duct fire dampers static type duct fire damper.
