• Products and Solutions
    • Grilles & Registers
      • Supply, Steel
      • Supply, Aluminum
      • Return, Steel
      • Return, Aluminum
      • Curved Blade, Aluminum (1, 2, 3 or 4-way)
      • Heavy Duty, Steel, Supply
      • Heavy Duty, Steel, Return
      • Grid Core Return
      • Transfer and Door Grilles
      • Perforated Return Grilles
      • AVF Versaflex
      • G-Series
      • Return Filter Grilles
      • Supply Aluminum, Aerovane
      • Grid Core Return 45-Degree Deflection
    • Square/Round Diffusers
      • Stepdown 3-Cone
      • Stepdown 2-Cone
      • Architectural Plaque Diffuser
      • M-Series Louvered Face-Square Neck
      • Agitair® RC Series
      • Modular Core Diffuser
      • Concentric Supply Return
      • Round Diffuser, 3-Cone
      • Round Diffuser, 4-Cone
      • Industrial Round Diffuser
      • Fire Rated Series
      • Architectural Swirl Face
      • M-Series Louvered Face-Round Neck
      • Round Architectural Plaque Diffuser
    • Perforated Diffusers
      • Supply, Adjustable Curved Blade
      • Supply Face Mounted Deflectors
      • Supply, Modular Core
      • Return, Perf Panel Only
      • Return Diffuser
    • Linear/Slot Diffusers
      • 4000 Series Linear Grilles
      • Agitair® Stripline® Diffusers
      • 6000 Series Slot Diffusers
      • AIR-TRAC Architectural Linear Diffuser
    • Plenum Slots
      • Supply, Single Vane
      • Supply, Modulinear
      • High Capacity Plenum Slot
      • Return Slot Diffuser
      • High Induction Series
      • Supply, Fixed Vane
    • Security Grilles
      • Perforated Supply
      • Transfer Grille, Perforated Pattern
      • Louvered Face Diffuser With Lattice Face Plate
      • Bar Grille, Steel
      • Bar Grille, Aluminum
      • Lattice Face Plate, Steel
      • Lattice Face Plate, Aluminum
      • Security Duct Bars With Sleeve
      • Security Duct Bars With Frame
      • Suicide Deterrent Security Grille
      • Maximum Security Lattice Face With Mesh Screen
    • Critical Environment
      • Radial Flow, Fixed
      • Radial Flow, Adjustable
      • OR Linear Curtain, V-Slot
      • Laminar Flow, Tensor™
      • ISOTEK
      • Laminar Terminal Diffusers, LTD
    • Specialty Products
      • Stainless Steel Supply Grilles
      • Stainless Steel Return Grilles
      • Industrial Supply Grilles, Pole-Operated Blades
      • GJ Jet-Flo®
      • Roto-Jet® Drum Grilles
      • Electronically Controlled VAV Diffuser
      • Roto-Jet® Spiral Duct Drum Grilles
      • Discus Series Spot Diffusers
      • Discus Series Supply Grilles
      • Discus Series Air Foil Round Supply Grilles
      • Discus Series Industrial Round Supply Grilles
      • Thermal VAV Diffusers
      • Heavy Duty Airfoil Grilles
      • Constant Flow Regulator
      • Spiral Duct Series
    • Underfloor Products
      • UnderFloor Rounds
    • Accessories
      • Round Dampers
      • Grids, Extractors, Turning Vanes
      • Square to Round Adapters
      • Adapter Plaster Frames
      • HEPA Air Filter
      • Plaster Frame
      • Square/Rectangular Dampers, Steel
      • Square/Rectangular Dampers, Aluminum
      • Return Hood
    • Air Handling Coils
      • Air Handling Coils
    • Terminal Units
      • Single Duct Terminal Unit
      • Dual Duct Terminal Unit
      • Single Duct Round Terminal Unit
      • Dual Single Duct Terminal Unit
      • Laboratory Exhaust Valve
      • Bypass Terminal Unit
      • Low Profile Fan Powered Constant Terminal Unit
      • Low Profile Fan Powered Variable Terminal Unit
      • Fan Powered Series Terminal Unit
      • Fan Powered Parallel Terminal Unit
    • Displacement Diffusers
      • Semi-circular, 180°
      • Rectangular, Flush Mount
      • Rectangular, Stair Riser or Surface Mount
      • Curved, Corner Mount
      • Rectangular, Flush or Wall Mount
      • Semi-Circular, Wall or Surface Mount
      • Circular, 360°
  • Services and Support
    • Training
    • Webinars
    • GRD Products Webinars
  • Resources
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    • Installation Videos
  • Insights
  • Find a Rep
Rep Login
  • Products and Solutions
    • Grilles & Registers
      • Supply, Steel
      • Supply, Aluminum
      • Return, Steel
      • Return, Aluminum
      • Curved Blade, Aluminum (1, 2, 3 or 4-way)
      • Heavy Duty, Steel, Supply
      • Heavy Duty, Steel, Return
      • Grid Core Return
      • Transfer and Door Grilles
      • Perforated Return Grilles
      • AVF Versaflex
      • G-Series
      • Return Filter Grilles
      • Supply Aluminum, Aerovane
      • Grid Core Return 45-Degree Deflection
    • Square/Round Diffusers
      • Stepdown 3-Cone
      • Stepdown 2-Cone
      • Architectural Plaque Diffuser
      • M-Series Louvered Face-Square Neck
      • Agitair® RC Series
      • Modular Core Diffuser
      • Concentric Supply Return
      • Round Diffuser, 3-Cone
      • Round Diffuser, 4-Cone
      • Industrial Round Diffuser
      • Fire Rated Series
      • Architectural Swirl Face
      • M-Series Louvered Face-Round Neck
      • Round Architectural Plaque Diffuser
    • Perforated Diffusers
      • Supply, Adjustable Curved Blade
      • Supply Face Mounted Deflectors
      • Supply, Modular Core
      • Return, Perf Panel Only
      • Return Diffuser
    • Linear/Slot Diffusers
      • 4000 Series Linear Grilles
      • Agitair® Stripline® Diffusers
      • 6000 Series Slot Diffusers
      • AIR-TRAC Architectural Linear Diffuser
    • Plenum Slots
      • Supply, Single Vane
      • Supply, Modulinear
      • High Capacity Plenum Slot
      • Return Slot Diffuser
      • High Induction Series
      • Supply, Fixed Vane
    • Security Grilles
      • Perforated Supply
      • Transfer Grille, Perforated Pattern
      • Louvered Face Diffuser With Lattice Face Plate
      • Bar Grille, Steel
      • Bar Grille, Aluminum
      • Lattice Face Plate, Steel
      • Lattice Face Plate, Aluminum
      • Security Duct Bars With Sleeve
      • Security Duct Bars With Frame
      • Suicide Deterrent Security Grille
      • Maximum Security Lattice Face With Mesh Screen
    • Critical Environment
      • Radial Flow, Fixed
      • Radial Flow, Adjustable
      • OR Linear Curtain, V-Slot
      • Laminar Flow, Tensor™
      • ISOTEK
      • Laminar Terminal Diffusers, LTD
    • Specialty Products
      • Stainless Steel Supply Grilles
      • Stainless Steel Return Grilles
      • Industrial Supply Grilles, Pole-Operated Blades
      • GJ Jet-Flo®
      • Roto-Jet® Drum Grilles
      • Electronically Controlled VAV Diffuser
      • Roto-Jet® Spiral Duct Drum Grilles
      • Discus Series Spot Diffusers
      • Discus Series Supply Grilles
      • Discus Series Air Foil Round Supply Grilles
      • Discus Series Industrial Round Supply Grilles
      • Thermal VAV Diffusers
      • Heavy Duty Airfoil Grilles
      • Constant Flow Regulator
      • Spiral Duct Series
    • Underfloor Products
      • UnderFloor Rounds
    • Accessories
      • Round Dampers
      • Grids, Extractors, Turning Vanes
      • Square to Round Adapters
      • Adapter Plaster Frames
      • HEPA Air Filter
      • Plaster Frame
      • Square/Rectangular Dampers, Steel
      • Square/Rectangular Dampers, Aluminum
      • Return Hood
    • Air Handling Coils
      • Air Handling Coils
    • Terminal Units
      • Single Duct Terminal Unit
      • Dual Duct Terminal Unit
      • Single Duct Round Terminal Unit
      • Dual Single Duct Terminal Unit
      • Laboratory Exhaust Valve
      • Bypass Terminal Unit
      • Low Profile Fan Powered Constant Terminal Unit
      • Low Profile Fan Powered Variable Terminal Unit
      • Fan Powered Series Terminal Unit
      • Fan Powered Parallel Terminal Unit
    • Displacement Diffusers
      • Semi-circular, 180°
      • Rectangular, Flush Mount
      • Rectangular, Stair Riser or Surface Mount
      • Curved, Corner Mount
      • Rectangular, Flush or Wall Mount
      • Semi-Circular, Wall or Surface Mount
      • Circular, 360°
  • Services and Support
    • Training
    • Webinars
    • GRD Products Webinars
  • Resources
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    • Installation Videos
  • Insights
  • Find a Rep
Search
Search Rep Login
  1. Home
  2. Products and Solutions
  3. Accessories
  4. Round Dampers
  5. ROD Duct Mounted Opposed Blade Damper
Product Image_ROD
  • Thumb Image_ROD

ROD Duct Mounted Opposed Blade Damper

Accessories

Available in a durable steel construction, the ROD duct-mounted dampers are screwdriver-adjustable and are shipped loose for easy field installation. It mounts directly to the diffuser neck and is not recommended for use in flexible duct applications.

  • The two standard finishes available are Mill (ML) for 6”–12” and Black (BL) for 14”–36”
  • The gang-operated blades distribute air evenly through the diffuser
  • Mounts directly to the diffuser neck
Back to Top

ROD Duct Mounted Opposed Blade Damper

  • Product Application
  • Features
  • Benefits
  • Product Documentation
  • Related Products

    Product Application

    Efficiently regulate the airflow in your facilities with our ROD Duct Mounted Opposed Blade Damper. The gang-operated opposed blades create a controlled damping effect that is well-suited for modulating applications. The distinct design of the damper helps in maximized airflow control and an even distribution of air through the diffuser. It promotes better indoor air quality and optimum occupant comfort.
    Product Application

    Features

    • Standard finish for 6”–12” sizes is Mill (ML)
    • The damper is screwdriver operated
    • Field installation is required
    • Standard finish for 14”–36” sizes is Black (BL)
    • Not recommended for use in flexible duct applications

    Benefits

    Optimized Performance
    Optimized Performance

    The ROD is a gang-operated opposed blade damper which aids in even diffusion of air.

    Easy Access
    Easy Access

    The damper can be adjusted from the face side of the diffuser, making access easier.

    Enduring Construction
    Enduring Construction

    The galvanized steel construction provides ensured resistance against corrosion.

    Technical Resources

    Document Name
    Description
    Language
    Resource Type

    Data Sheet

    AC~RON_ROD_FEA4_09 (English)

    Round Damper - Round Dampers, Opposed Blade RON, ROD - Features

    English Data Sheet
    VIEW

    Submittal

    SD-1824 (English)

    Accessories - ROD Round Opposed Blade Damper - Duct Mounted - Submittal

    English Submittal
    VIEW
    No resource found for selected filter

    Back

    Next

    Related Products

    A1300 3-Cone Diffuser, Fixed, Aluminum

    A1300 3-Cone Diffuser, Fixed, Aluminum

    1300A 3-Cone Diffuser, Adjustable, Steel

    1300A 3-Cone Diffuser, Adjustable, Steel

    A1300A 3-Cone Diffuser, Adjustable, Aluminum

    A1300A 3-Cone Diffuser, Adjustable, Aluminum

    1300 3-Cone Diffuser, Fixed, Steel

    1300 3-Cone Diffuser, Fixed, Steel

    A1200A 2-Cone Diffuser, Adjustable, Aluminum

    A1200A 2-Cone Diffuser, Adjustable, Aluminum

    A1200 2-Cone Diffuser, Fixed, Aluminum

    A1200 2-Cone Diffuser, Fixed, Aluminum

    S1200A 2-Cone Diffuser, Adjustable, Steel

    S1200A 2-Cone Diffuser, Adjustable, Steel

    S1200 2-Cone Diffuser, Fixed, Steel

    S1200 2-Cone Diffuser, Fixed, Steel

    A1100 Plaque Diffuser

    A1100 Plaque Diffuser

    T1100 Plaque diffuser

    T1100 Plaque diffuser

    P3 3-Cone, Adjustable, Steel

    P3 3-Cone, Adjustable, Steel

    AP3 3-Cone, Adjustable, Aluminum

    AP3 3-Cone, Adjustable, Aluminum

    VJR Steel, Flush Mount, 4-Cone

    VJR Steel, Flush Mount, 4-Cone

    VJS Steel, with Anti-Smudge Cone, 4-Cone

    VJS Steel, with Anti-Smudge Cone, 4-Cone

    AVJR Aluminum, Flush Mount, 4-Cone

    AVJR Aluminum, Flush Mount, 4-Cone

    AVJS Aluminum, with Anti-Smudge Cone, 4-Cone

    AVJS Aluminum, with Anti-Smudge Cone, 4-Cone

    VB Steel, Adjustable, Ring Operated, Round Diffuser

    VB Steel, Adjustable, Ring Operated, Round Diffuser

    T1100SW Architectural Swirl Face Diffuser

    T1100SW Architectural Swirl Face Diffuser

    AMASR Aluminum, Adjustable Pattern, Round Neck

    AMASR Aluminum, Adjustable Pattern, Round Neck

    AMSR Aluminum, Fixed Pattern, Round Neck

    AMSR Aluminum, Fixed Pattern, Round Neck

    MASR Steel, Adjustable Pattern, Round Neck

    MASR Steel, Adjustable Pattern, Round Neck

    MSR Steel, Fixed Pattern, Round Neck

    MSR Steel, Fixed Pattern, Round Neck

    APV Adjustable Curved Blade, Aluminum Face, Steel Backpan

    APV Adjustable Curved Blade, Aluminum Face, Steel Backpan

    PV Adjustable Curved Blade, Steel

    PV Adjustable Curved Blade, Steel

    APP Face Mounted Deflectors, Aluminum

    APP Face Mounted Deflectors, Aluminum

    PP Face Mounted Deflectors, Steel

    PP Face Mounted Deflectors, Steel

    APR Perforated Return Diffuser, Aluminum Face, Steel Backpan

    APR Perforated Return Diffuser, Aluminum Face, Steel Backpan

    PR Perforated Return Diffuser, Steel

    PR Perforated Return Diffuser, Steel

    STRJ-U Universal Spiral Duct Drum Grille Single Vane

    STRJ-U Universal Spiral Duct Drum Grille Single Vane

    RA50 Round Grille Single Deflection Aluminum

    RA50 Round Grille Single Deflection Aluminum

    RA54 Round Grille Double Deflection Aluminum

    RA54 Round Grille Double Deflection Aluminum

    AV54R Discus Series Air Foil Round Supply Grilles

    AV54R Discus Series Air Foil Round Supply Grilles

    AIG-R Discus Series Industrial Round Supply Grilles

    AIG-R Discus Series Industrial Round Supply Grilles

    RON Neck Mounted Opposed Blade Damper

    RON Neck Mounted Opposed Blade Damper

    RBN Neck Mounted Butterfly Damper

    RBN Neck Mounted Butterfly Damper

    RBD Duct Mounted Butterfly Damper

    RBD Duct Mounted Butterfly Damper

    RRD Duct Mounted Radial Fan Blade Damper

    RRD Duct Mounted Radial Fan Blade Damper

    RRN Neck Mounted Radial Fan Blade Damper

    RRN Neck Mounted Radial Fan Blade Damper

    Contact Us
    Find a Rep
    • Grilles & Registers
    • Square/Round Diffusers
    • Perforated Diffusers
    • Linear/Slot Diffusers
    • Plenum Slots
    • Security Grilles
    • Critical Environment
    • Specialty Products
    • UnderFloor Products
    • Accessories
    • Air Handling Coils
    • Terminal Units
    • Displacement Diffusers
    Products and Solutions
    • Grilles & Registers
    • Square/Round Diffusers
    • Perforated Diffusers
    • Linear/Slot Diffusers
    • Plenum Slots
    • Security Grilles
    • Critical Environment
    • Specialty Products
    • UnderFloor Products
    • Accessories
    • Air Handling Coils
    • Terminal Units
    • Displacement Diffusers
    • Training
    • Webinars
    Services and Support
    • Training
    • Webinars
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    Resources
    • Engineering Resources
    • Installation Manuals
    • Revit
    • Product Catalog
    Connect With Us
    • Twitter X logo
    • Facebook logo
    • LinkedIn logo
    © 2025 Air Distribution Technologies, Inc..
    • Terms and Conditions of Sale
    • Privacy Notice
    • California Notice at Collection
    • Ethics
    • Terms of use
    • Purchase Terms