Fire and Hvac Dampers
Regulate Airflow with dampers with or without handles including including volume dampers, fire dampers, blade dampers, draft dampers, and butterfly dampers.
Control Airflow and Improve Duct System Efficiency
Our HVAC dampers are designed to regulate and control airflow within duct systems, helping to balance air distribution, enhance energy efficiency, and maintain indoor comfort. Available in a variety of styles—including manual volume dampers, backdraft dampers, and motorized options—our galvanized sheet metal dampers are built for durability, precision, and easy integration into residential, commercial, and industrial HVAC applications. Whether you’re zoning a system or preventing reverse airflow, our high-quality dampers deliver reliable performance for any project.
Galvanized Round Volume Damper – With Handle
Balancing dampers are used to control airflow in duct systems.
- Manufactured using galvanized Steel
Galvanized Round Volume Damper – Without Handle
Balancing dampers are used to control airflow in duct systems.
- Manufactured using galvanized Steel
VENTEX 1.5 Hour C Type Horizontal Static Curtain Fire Dampers (FL 165F)
1.5 Hour C Type Horizontal Static Curtain Fire Damper (FL 165F).
- Roll formed Galvanized steel 20 ga frame with hemmed edge
- Interlocking curtain type blade
- 165°F (73.9°C) Fusible Link
NAILOR INDUSTRIES 1.5 Hour A Type Horizontal Static Curtain Fire Dampers (FL 165F)
4.5″ Static Curtain Fire Dampers, for use in static “fans off” systems where the HVAC system shuts down in the event of a fire.
- Provides protection of HVAC ductwork penetrations in walls, partitions or floors that have a fire resistance rating of 2 hours or less
- Corrosion resistant steel frame and blades for performance that lasts and a choice of transition styles to suit duct size.
NAILOR INDUSTRIES Radial Sliding Blade Dampers
Blades slide at right angles to the duct with protrusion above the diffuser neck, allowing the damper to work effectively in flexible duct applications.
- Heavy gauge corrosion-resistant steel construction
- Neck mounted, radial sliding blade damper used in round neck diffuser applications to provide fine volume control
- Neck mounted with steel barb clips providing secure attachment
- Dampers have gang operated radial blades.
DUCTMATE Cast Aluminium Blast Gates
Blast gates are used to conserve air volume. It is used to open and close branch ducts in a system allowing air to be diverted only to machines that are operating.
- Blast gates are die cast aluminum frames
Round Back Draft Damper
BBD Backdraft Dampers are galvanized with a Neoprene collar and loaded with center pin design
- Galvanized for corrosion protection
- Neoprene collar
- Spring loaded with center pin design for 4″, 5″, 6″ & 8″and center post design for 10″ & 12″
HART & COOLEY Round Butterfly Damper
All-steel construction Round Butterfly Damper controls air volume evenly over entire #16 diffuser.
- Removable knob operator for adjustment from closed to fully open
- Knob permits diffuser to be held in position while attaching face screws
Galvanized Volume Dampers
Also known as Zone damper regulates air volume moving through duct systems
- Comes with Durodyne damper regulator RS256
- 28 ga. steel construction
NAILOR INDUSTRIES Round Ceiling Radiation Fire Damper For Lay In Diffuser
Nailor ceiling radiation dampers are designed to function as a fire and heat barrier in air duct openings, penetrating fire-resistive membrane ceilings.
- Get 3 hour fire resistance rating where air ducts are allowed
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