The retaining angles are fastened to the sleeve but not to the wall floor etc.
Floor mounted fire damper.
1 8 10 expansion joint per linear foot ii.
Trafalgar s floor fire dampers are a range of fire rated systems that allow air movement while maintaining the fire rating of floor slabs.
Sleeve is not required to be centered but can rest on the bottom of the opening.
Listed clearance requirements are 1 8 per linear foot unless stated otherwise.
Fire damper sleeve clearance within wall floor opening i.
Dayton rectangular fire dampers these fire dampers are designed for use in duct systems or penetrations of fire rated barriers that have been designed to have pressurized airflow when the dampers are expected to cycle closed during fires.
They can accommodate airflow in either direction.
Ul fire resistance directory the damper must be installed with leading edge of closed blade within the partition.
Use mount with arrow.
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.
For rigid type duct connections the sleeve shall be a minimum of 16 gauge 1 5 for dampers up to 36 wide by 24 high 9 14x60 and a minimum of 14 gauge 1 9 for larger units.
The standard location permits the damper to be installed outside the plane of the wall or floor.
Products cover a wide variety of applications ranging from life safety to maintaining the control of outside air.
Wall depth 4 102 91 2 241 31 2 89 17 432 the drawings show the position of the damper mounted in the factory sleeve.
If a fire damper is installed in a floor it will be in a horizontal position.
Damper products serve a valuable role in air movement.
Standard installation the damper is mounted in the sleeve the sleeve damper assembly is mounted in the fire barrier and the assembly is held in position by retaining angles on both sides of the fire separation.
Vertical dampers for static airflow systems do not have springs.
If a fire damper is installed in a wall it will be in a vertical position.
Fire dampers are typically installed in fire rated walls floors or partitions.
Fire smoke dampers are similar to fire dampers in fire resistance rating and also prevent the spread of smoke inside the ducts.
Add wall or floor depth 91 2 241 31 2 89.
Damper is designed to operate with blades running horizontally and must be installed with center line of damper frame within the wall or floor when they are in the closed position.
