Ceiling Diffuser Damper

Ceiling dampers ceiling fire dampers also known as radiation dampers are designed and tested to limit the radiant heat transfer through an air inlet outlet opening in the ceiling membrane of a fire resistance rated floor ceiling or roof ceiling assembly.

Ceiling diffuser damper. Ceiling duct dampers control the air volume not air pattern to provide minimum air restriction. Adjustable damper blades control airflow and combine with a low profile design that minimizes the product footprint reducing the space needed for installation. These hvac dampers feature knob operated worm gear that adjusts the patented butterfly valve using only 2 1 2 turns for full open or close.

The damper has a fusible link that melts at 165 f causing the blades to close. Manufactured with a heavy gauge steel to prevent damage and hand inspected to guarantee a quality product that exceeds expectations. Constructed to help evenly spread out airflow from your duct opening the 801 series butterfly air damper with installation ring is used to cover duct openings in conjunction with a round air diffuser.

8 butterfly damper control your airflow on drop ceiling grilles of 24x24 8 round duct opening 17 99 accord ventilation abcd2x2 ceiling diffuser 24 x 24 white 36 98 hydrofarm acc8 active air stainless steel 8 pack of 2 duct clamps 8 inch 9 51. Fit these diffusers into your drop ceiling to stop airflow in the event of a fire. Item 753718 model 30012wh.

Dampers are ul fire rated to help prevent the spread of fire for up to 3 hours. Round air dampers are made for use with round ceiling diffusers sold separately. A504 aluminum 4 way ceiling diffuser ms or obd damper a505 aluminum 2 way corner ceiling diffuser ms or obd damper 24 steel step down square diffuser 23 steel opposed blade damper for 24 diffuser.