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Control Dampers are vital components in HVAC systems, designed to regulate and balance airflow across different areas of a building. By ensuring precise air distribution, they enhance comfort, improve energy efficiency, and support healthier indoor air quality. Built with robust materials and engineered to perform under demanding conditions, these dampers are essential in residential, commercial, and industrial applications.
At Shandong Wanneng Group, we provide a wide range of high-quality Control Dampers that meet international standards, offering long-term durability, safety, and performance for diverse environments.
Our dampers are engineered to adapt to different airflow requirements and building designs. Options include:
Each damper type is built for adaptability, reliability, and seamless integration into HVAC and ventilation systems.
| Specification | Description |
|---|---|
| Leakage Resistance | 17 cfm/sq. ft max at 1 in. static; 45 cfm/sq. ft max at 4 in. static |
| Operating Torque | 4.5 lb·in/sq. ft at 0.5 in. static, 100 fpm velocity; 5.5 lb·in/sq. ft at 1 in. static, 1000 fpm velocity |
| Pressure Drop – Fully Open | 12″x12″: 0.16 (1000 fpm), 0.42 (2000 fpm) 24″x24″: 0.05 (1000 fpm), 0.20 (2000 fpm), 0.42 (3000 fpm), 0.57 (4000 fpm) 48″x48″: 0.03 (1000 fpm), 0.10 (2000 fpm), 0.25 (3000 fpm), 0.45 (4000 fpm) |
| Velocity Requirements | 12 in: 6000 fpm @ 6 in. static 24 in: 4500 fpm @ 6 in. static 36 in: 3000 fpm @ 4.5 in. static 48 in: 1500 fpm @ 3 in. static |
| Temperature Rating | Normal: -40°F to 200°F (-40°C to 93°C) High Temp: -40°F to 250°F (-40°C to 121°C) Actuator: -4°F to 122°F (-20°C to 50°C) |
| Approximate Weight | Damper: 5 lb/sq. ft (2.7 kg/sq. ft) Actuator: 2.9 lb (1.6 kg) per actuator |
| Packaging & Shipping | Neutral export cartons, shrink-wrapped with corner protectors; QC inspected; Standard lead time: 30 days |
Improved Comfort – Maintains consistent airflow and temperature across zones.
Energy Efficiency – Reduces strain on HVAC equipment, lowering energy use and costs.
Enhanced Air Quality – Supports a cleaner environment by managing airflow and contaminants.
Versatile Range – Includes balancing, backdraft, multizone, industrial, fire, and smoke dampers.
Durable Build – Withstands high pressures and extreme temperatures.
Low Maintenance – Designed for easy servicing and long-term reliability.
Safety Ready – Fire and smoke dampers automatically close during emergencies to protect lives and property.
Residential HVAC – Balances airflow across rooms for optimal comfort and efficiency.
Commercial Buildings – Offices, hotels, and hospitals benefit from stable climate control.
Industrial Facilities – Maintains airflow in factories, warehouses, and high-demand environments.
Safety Environments – Fire and smoke dampers safeguard against the spread of flames and hazardous gases.
Q1: What is the purpose of a control damper in HVAC systems?
A control damper regulates airflow in ducts, balancing air distribution to improve comfort and efficiency.
Q2: How do balancing dampers differ from other control dampers?
Balancing dampers specifically address pressure differences, ensuring even airflow across all rooms.
Q3: Can a control damper improve energy efficiency?
Yes, by reducing system strain and maintaining steady airflow, control dampers lower energy usage.
Q4: What types of control dampers are commonly used?
Options include balancing dampers, backdraft dampers, multizone dampers, industrial dampers, and fire/smoke safety dampers.
Q5: How often should a control damper be inspected?
Routine checks every 6–12 months are recommended for safe and efficient performance.
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