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Control Damper

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Manufacturer of Control Damper

 

Shandong Wanneng Group is a trusted manufacturer of high-quality control dampers, designed to regulate airflow in HVAC systems. Located in Dezhou City, China, we offer reliable solutions for residential, commercial, and industrial applications. Our dampers are built with advanced technology and meet international standards, ensuring optimal performance, energy efficiency, and air quality control. With years of expertise, we provide top-tier products for various air management needs.

 

Why Choose Us?

 

Our Factory

Shandong Wanneng Group boasts a registered capital of 78 million yuan, with a dedicated team of 800 employees, including 296 technicians and 35 senior engineers. Our factory spans 270,000 square meters, with 150,000 square meters dedicated to various specialized workshops.

 

Advanced Equipment

We operate state-of-the-art production lines, including three refrigeration unit lines, five fan coil lines, two machine tool equipment lines, two aluminum alloy lines, and five BZ-A exterior wall insulation lines. With over 80 sets of large-scale equipment, we are equipped to meet diverse production needs efficiently.

 

Certifications

Our commitment to quality is reflected in our ISO9001:2000 international quality management certification and ISO14000 environmental system certification, ensuring that we adhere to global standards in all our processes.

 

Production Capacity

We have a robust production capacity, manufacturing 150,000 units of fresh air units, air conditioners, fan coils, and other HVAC equipment annually. Additionally, we produce 50,000 ventilation units, 2,800 air conditioning and refrigeration systems, over 1 million square meters of exterior wall insulation, 2,200 tons of aluminum alloy profiles, and 6,000 tons of cable trays and high-speed guardrails. Our capabilities extend to producing 1,500 machine tools and 200,000 square meters of ventilation ducts.

Benefits of Control Damper

Improved Comfort

Control dampers help regulate the airflow into each room, ensuring that every space maintains a comfortable temperature. This is especially beneficial in homes with large, open areas or high ceilings, where heating or cooling can be uneven without proper airflow management.

Increased Energy Efficiency

By maintaining consistent temperatures in each room, control dampers reduce the workload on your HVAC system. This leads to less energy consumption, which translates into lower utility bills and long-term savings.

Enhanced Indoor Air Quality

In addition to temperature regulation, control dampers also improve indoor air quality by controlling the flow of airborne contaminants into each room. By reducing the circulation of pollutants, they help create a cleaner and healthier living environment for you and your family.

 

Types of Control Damper

Smoke Control Damper
Smoke Control Damper
Industrial Dampers
Automatic Fire Damper
  • Balancing Dampers: Balancing dampers are crucial for managing air pressure imbalances in HVAC systems. Technicians measure the air pressure in different rooms, adjust the dampers to achieve the required balance, and lock the blades into place. This process helps prevent rooms from being too hot or too cold, ensuring even airflow throughout the space.
  • Backdraft Dampers: Backdraft dampers control airflow by allowing it to flow in only one direction. These dampers have blades with shafts at one end, turning them into flaps that open only when the airflow is in the correct direction. They are also equipped with a counterbalance, ensuring the blades stay closed until the proper air pressure triggers them to open.
  • Multizone Dampers: Multizone dampers are used in large buildings like schools or small offices, dividing the space into multiple zones, each controlled by a separate damper. Each zone has its dedicated damper that manages airflow, allowing precise control of temperatures across various sections of the building.
  • Industrial Dampers: Industrial dampers are built to withstand extreme conditions, handling high air pressures and temperatures exceeding 250°F. These durable dampers, made from heavy-duty materials, are essential for industries such as factories and power plants, where the HVAC systems require robust components capable of managing large volumes of airflow.
  • Safety Dampers: Safety dampers, including fire dampers, play a vital role in protecting buildings during a fire or smoke event. These dampers automatically close when smoke or fire is detected, preventing the spread of hazardous smoke or flames through the ductwork. This safety feature gives building occupants precious time to evacuate and ensures better overall fire safety.

 

Application of Control Damper

 

Residential HVAC Systems

In residential HVAC systems, Volume Control Dampers regulate the amount of conditioned air delivered to different rooms or levels of the house. This helps ensure that each area is kept at a comfortable temperature, optimizing energy usage and promoting even airflow throughout the home

Commercial Buildings

In commercial buildings like offices, hospitals, hotels, and other large facilities, volume control dampers play a crucial role in managing airflow across various sections. This ensures the HVAC system performs efficiently, providing consistent comfort for occupants and enhancing overall system performance.

Industrial Settings

In industrial environments, volume control dampers are vital for managing ventilation in factories, warehouses, and production facilities. These dampers are essential for regulating airflow, ensuring the HVAC system can maintain the necessary environmental conditions for the operations within the building.

 

Technical Specifications

Specification

Description

Leakage Resistance

17 cfm/sq. ft maximum at 1 in. static pressure

45 cfm/sq. ft maximum at 4 in. static pressure

Operating Torque

0.5 in. static pressure and 100 fpm fully open approach velocity

4.5 lb·in/sq. ft
 

1 in. static pressure and 1,000 fpm fully open approach velocity

5.5 lb·in/sq. ft

Pressure Drop (Inches WG) - Fully Open

12 in. x 12 in.

1,000 fpm, 0.16

2,000 fpm, 0.42
 

24 in. x 24 in.

1,000 fpm, 0.05

2,000 fpm, 0.20

3,000 fpm, 0.42

4,000 fpm, 0.57
 

48 in. x 48 in.

1,000 fpm, 0.03

2,000 fpm, 0.10

3,000 fpm, 0.25

4,000 fpm, 0.45

Velocity Requirements

Width (in.)

 
 

12 in.

6,000 fpm

at 6 in. static
 

24 in.

4,500 fpm

at 6 in. static
 

36 in.

3,000 fpm

at 4.5 in. static
 

48 in.

1,500 fpm

at 3 in. static

Temperature Rating

Normal and Extended Operating Conditions:

-40°F to 200°F (-40°C to 93°C)
 

High (with Bronze Bearings and Silicone Seals):

-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) for each actuator

 

Packaging & Shipping

 

 

Packing Details

Neutral Packing: The products are packed in export-standard cartons, ensuring secure and safe shipping.

Unit Packing: Each product is individually packed with heat-shrink film, with optional plastic corner protectors for added safety during transit.

Quality Control: All products undergo thorough inspection by our Quality Control team before delivery to ensure the highest standards.

Delivery Time: The standard production time is 30 days after receiving the deposit. For urgent orders, we can prioritize production to meet your deadlines

FAQs

What is the purpose of a control damper in an HVAC system?

A control damper is installed in the ductwork to regulate the flow of air throughout the system. It is used to direct airflow and adjust air temperature in heating and cooling zones, ensuring proper ventilation and comfort.

How do balancing dampers differ from control dampers?

Balancing dampers maintain a specific angle to regulate air pressure, while control dampers direct the flow of air. Unlike balancing dampers, control dampers cannot adjust their blades to specific angles, making them unsuitable for regulating air pressure.

How can I maintain and clean control dampers?

Regular maintenance of control dampers involves visually inspecting them for corrosion, dirt, or dust. Clean and lubricate the damper according to the manufacturer’s guidelines and perform a drop test to ensure proper functionality.

What is the typical delivery time for HVAC products?

Delivery time varies depending on the specific order. Typically, orders are shipped within 30 days of deposit receipt, but urgent orders can be prioritized. We will communicate the estimated delivery time as soon as the order is confirmed.

How can I get more information about your HVAC products?

Detailed product information is available on our official website or by contacting our sales team. They will provide professional guidance based on your specific needs and requirements.

As one of the leading control damper manufacturers and suppliers in China, we warmly welcome you to wholesale cheap control damper from our factory. All customized products are with high quality and low price. Contact us for quotation.

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