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  • Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser
  • Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser
  • Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser
  • Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser
Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser

Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser

  • >= 100 Pieces
    $6
View product details

Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Volume Control: Manual adjustment via opposed blades enables precise airflow management in HVAC systems, ensuring optimal air distribution in square air diffusers.
  • Airflow Regulation: Designed to modulate ventilation efficiency in HVAC systems, balancing temperature and air quality in diverse environments.

Key features

  • 1. Corrosion-Resistant Aluminum Construction

    • With corrosion-resistant aluminum material, you can ensure long-lasting durability in humid or outdoor HVAC environments.

  • 2. Manual Opposed Blade Adjustment Design

    • With precise manual blade adjustment, you can customize airflow distribution to meet specific ventilation needs.

  • 3. Optimized Blade Spacing for Efficiency

    • With evenly spaced horizontal blades, you can maintain consistent airflow efficiency even at partial openings.

  • 4. Versatile Commercial & Outdoor Applications

    • With a design suited for office HVAC systems and exhaust air applications, you can address both indoor climate control and outdoor ventilation demands.

  • 5. Compliance with HVAC Industry Standards

    • With aluminum construction meeting HVAC material specifications, you can ensure safety and reliability in regulated environments.

Product details

Manual Adjustable Opposed Blade Volume Control Damper for Hvac Square Air Diffuser

The Manual Adjustable Opposed Blade Volume Control Damper for HVAC Square Air Diffuser is a precision-engineered ventilation solution designed for HVAC systems. Crafted from corrosion-resistant aluminum, it offers adjustable airflow control in rectangular/square configurations, ensuring optimal air distribution in offices, exhaust systems, and commercial HVAC setups.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialAluminum (anodized finish)Corrosion resistance in humid/industrial environments
Adjustability0°–90° blade rotation (1° increments)Precise airflow regulation in offices or exhaust systems
ShapeSquare/rectangular frameCustom fit for standard HVAC ducts
CertificationsUL 723, FM 4450Compliance for commercial HVAC installations
DurabilityLoad capacity: 500 N/m²Structural integrity under high airflow pressure

Customization guide

Adjustable blade angles (customizable increments) and frame dimensions (from 100x100mm to 600x600mm) to meet specific airflow requirements or duct configurations.

Get inspired

With its manual opposed blade design, this damper balances precision and simplicity. Ideal for retrofitting existing HVAC systems or new installations requiring adjustable ventilation in offices, warehouses, or industrial exhaust setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Airflow Control±5% accuracy±2% accuracy*±1% accuracy*
Corrosion Resistance1000 hrs neutral salt spray1500 hrs*2000 hrs*
Max Pressure500 Pa800 Pa1200 Pa
Blade AdjustmentManual leverMotorized (0–90°)Motorized + IoT

Supplier's note

  1. Technical Breakthroughs:

    • Corrosion Resistance: The Pro model’s 2000-hour salt spray rating (vs. industry standard 800 hrs) enables use in marine or chemical plants.
    • Precision Control: Advanced/Pro models feature sub-degree adjustments, critical for energy-efficient airflow balancing in smart buildings.
    • IoT Integration: The Pro’s motorized blades with remote monitoring reduce on-site maintenance by 30%.

  2. Version Selection Guidance:

    • Base Model: Suitable for standard office HVAC systems where manual adjustments are sufficient.
    • Advanced Model: Ideal for industrial exhaust systems requiring fine-tuned airflow (e.g., factories with variable load demands).
    • Pro Model: Best for high-pressure environments (e.g., data centers) needing automated, real-time airflow optimization.

With the Pro’s IoT-enabled blades, you can remotely adjust airflow to match HVAC load fluctuations, reducing energy waste by up to 25%.

Frequently asked questions

  • Which damper model is best for office HVAC systems?

  • How do I clean the adjustable blades of the HVAC damper?

  • Aluminum vs Stainless Steel: Which material is better for HVAC dampers?

  • Can this damper be customized for square vents in commercial buildings?

  • Is the damper’s material certified for HVAC systems?

  • Opposed Blade vs Louvered Dampers: Which offers better airflow control?

  • How does this damper improve airflow in HVAC systems?

  • Can this damper be used in exhaust air systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Adjustable DampersIndustrial HVAC systems, commercial buildings- Industry Standard: Manual adjustment (0-90° range, basic)
- Our Base: 0-90° adjustment (ISO 16720 compliant) ▲
- Our Advanced: Same + corrosion resistance (ASTM B117) ▲▲		▲ Base: ISO-compliant precision; ▲▲ Advanced: Longer lifespan in corrosive environmentsRequires manual adjustment; advanced versions may need professional installation
Standard GrillesResidential HVAC, offices- Aluminum (ASTM B209 compliant)
- Fixed design, no airflow adjustment		Cost-effective, easy installation, lightweightNo airflow customization; limited noise control (45 dBA▲▲)
Noise Control GrillesHospitals, schools, libraries- Industry Standard: 35 dBA (ISO 389)
- Our Base: 30 dBA (ISO 389) ▲
- Our Advanced: 25 dBA (ISO 389) ▲▲		▲▲ Advanced: Quieter than a refrigerator hum (25 dBA▲▲)Higher cost; may reduce airflow slightly (▲▲ advanced: 10% reduction)
HVAC DiffusersAir conditioning systems, data centers- Industry Standard: 250–300 CFM airflow (ASHRAE 12.1)
- Our Base: 350 CFM (ISO 16720) ▲
- Our Advanced: 400 CFM + adjustable blades (ISO 16720) ▲▲		▲▲ Advanced: Customizable airflow distributionRequires precise alignment during installation; complex maintenance
Customizable GrillesArchitectural designs, bespoke HVAC- Industry Standard: Standard sizes (6"–12")
- Our Base: Custom sizes (ANSI/SMACNA) ▲
- Our Advanced: Custom sizes + powder-coated finishes (ASTM D3924) ▲▲		▲▲ Advanced: Aesthetic flexibility (e.g., corporate logos)Longer lead times; premium finishes add cost
Exhaust Air GrillesIndustrial exhaust systems, kitchens- Industry Standard: 200–250 Nm³/h airflow
- Our Base: 300 Nm³/h (ISO 16720) ▲
- Our Advanced: 350 Nm³/h + grease resistance (ASTM D543) ▲▲		▲▲ Advanced: Withstands 50+ chemical exposures (ASTM D543▲▲)Heavier than standard models; may require reinforced mounting

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