A VAV damper usually consists of a vane, an actuator and a controller. A vane is a movable element that regulates the airflow in an air duct. An actuator is an electric, pneumatic or hydraulic device used to control the position of the blades. The controller is a device that receives input from the building automation system (BAS) and sends signals to the actuators to adjust the position of the vanes.

The vanes of the VAV damper can be positioned anywhere from fully open to fully closed. When the blades are fully open, the greatest amount of air flows through the duct, and when the vanes are fully closed, no air flows through the duct. The position of the vanes is adjusted by actuators that receive signals from the controller based on inputs from the BAS.

One of the main advantages of VAV dampers is their ability to precisely control the airflow in the duct. This allows the HVAC system to maintain a consistent level of comfort in the space it serves, even as system loads vary. For example, when a large number of people enter a room, the temperature and humidity levels in the space may increase, and the need for cooling may increase. VAV dampers can help maintain a comfortable environment by responding to this increase in demand by opening the vanes to allow more air to flow through the ducts.

VAV dampers are also more energy efficient than traditional constant air volume (CAV) systems. In a CAV system, the airflow through the ducts is fixed regardless of system load. This can lead to wasted energy and higher utility bills, especially in spaces with varying occupancy rates. In contrast, a VAV system can adjust the flow of air in the ducts to match the load on the system, reducing energy consumption and lowering operating costs.

VAV dampers are available in a variety of sizes and configurations to meet the needs of different HVAC applications. Some VAV dampers are designed for installation in rectangular ducts, while others are designed for use in round ducts. VAV dampers can also be equipped with various accessories including transducers, filters and pressure transducers to enhance their performance.

In addition to the benefits of energy efficiency and comfort control, VAV dampers also help to reduce the noise level of the HVAC system. By regulating the airflow in the duct, the VAV damper reduces the velocity of the air passing through the duct, thereby reducing the noise level. This is especially important in applications where noise levels need to be kept to a minimum, such as medical facilities or recording studios.

Overall, airflow control VAV dampers are an essential part of modern HVAC systems. By regulating the flow of air in the duct, VAV dampers can improve energy efficiency, enhance comfort control and reduce noise levels, making them a valuable investment for any building owner or facility manager.

Constant air volume dampers are designed to be installed in ductwork, usually near the outlet of an air handling unit or fan. It is made of galvanized steel and has an adjustable vane assembly to control airflow.

The vane assembly of the Air flow controlCAV damper consists of a series of interconnected vanes that rotate to regulate the airflow through the ductwork. When the blades are fully open, the dampers allow for maximum airflow, while closing the blades reduces airflow.

Air flow controlCAV dampers are available in a variety of sizes and configurations to suit different piping systems and applications. It can be installed in rectangular and circular ducts, and can be used in the air volume control unit of laboratory fume hoods, using electric actuators to drive the damper blades. Combined with wind pressure sensor and control panel to realize automatic control.

The manual version of the Air flow controlCAV damper is operated by a manually operated quadrant connected to the vane assembly. This allows manual adjustment of the damper to regulate air flow. The motorized version of the damper is equipped with a motor connected to the blade assembly, allowing the damper to be controlled remotely using a building automation system.

Air flow controlCAV dampers are an important part of HVAC systems as they help regulate air flow and maintain a comfortable indoor climate. By controlling airflow, dampers help balance the system and prevent pressure imbalances that can cause problems such as noise, airflow, or inefficient operation.

One of the main advantages of CAV dampers is the ability to maintain a constant airflow even under changing conditions. This helps ensure that the HVAC system operates efficiently and effectively, providing a comfortable indoor environment while minimizing energy consumption.

Air flow control CAV dampers are also extremely durable and long-lasting due to their solid construction made of high-quality materials. It is corrosion resistant and can withstand the rigors of regular use in commercial and industrial environments.

In addition, Air flow controlCAV dampers are easy to install and can be configured to suit a variety of piping systems and applications. This makes it a highly versatile component that can be used in a variety of HVAC systems, from small residential setups to large commercial and industrial systems.

Overall, Air flow control CAV dampers are efficient and reliable components in HVAC systems that help regulate air flow and maintain a comfortable indoor environment. Its constant air volume capability and durable construction make it ideal for a wide range of applications.

To customize a circular air duct damper, the following 5 factors need to be considered:

1. Duct damper size
The size of the damper should match the size of the pipe in which it is installed. If you have non-standard size pipe, you may need a custom damper to fit.

2. Duct damper material
Round duct dampers are available in a variety of materials including galvanized steel, plastic, stainless steel and aluminum. The material you choose will depend on factors such as the environment in which the damper will be installed, the temperature of the air flowing through the duct, and your budget.

3. Duct damper actuator type
The damper can be manually or electrically operated. If you want electric dampers, you need to choose the type of actuator that best suits your needs. Options include electric, pneumatic and hydraulic actuators.

4. Duct damper control system
If you choose electric dampers, you need to consider the control system used to operate it. This may include a simple on/off switch or a more complex control panel that allows you to adjust the damper based on temperature, pressure, or other factors.

5. Duct damper seal
It is important to ensure that the damper seals well to prevent air from leaking around it. This will help maximize the efficiency of your HVAC system and reduce energy costs.

When customizing circular duct dampers, speak with a professional duct design engineer or damper manufacturer who can help you select the proper material, actuator type and control system for your specific application.

The electric air damper valve is designed to be installed in the ductwork of an HVAC system, and is typically controlled by a thermostat or building automation system. When the thermostat or automation system calls for more heating or cooling, the damper opens to allow more air to flow through the ducts. Conversely, when less heating or cooling is needed, the damper closes to reduce airflow.

The electric motor in the damper valve is typically powered by low voltage DC current, and is controlled by a small circuit board that receives signals from the thermostat or automation system. The damper itself is usually made of metal or plastic, and may include fins or louvers that can be adjusted to further control the airflow.

Overall, the electric air damper valve is an important component in HVAC systems that helps to ensure efficient and effective heating and cooling.

Electric air damper valves have several advantages over traditional manual or pneumatic damper valves.

Advantages of Electric Air Damper Valve:

1. Energy Efficiency: Electric air damper valves are designed to be energy-efficient. They can be controlled more precisely and with greater accuracy than manual or pneumatic damper valves. As a result, they can help reduce energy waste and lower energy costs.
2. Remote Control: Electric air damper valves can be controlled remotely, allowing for more convenient and flexible operation. They can be integrated into building automation systems, allowing them to be controlled from a central location, making them ideal for large buildings with complex heating, ventilation, and air conditioning (HVAC) systems.
3. Reduced Maintenance: Electric air damper valves require less maintenance than manual or pneumatic damper valves. They are designed to be durable and long-lasting, and they do not require regular lubrication or adjustment.
4. Improved Safety: Electric air damper valves are generally safer than manual or pneumatic damper valves. They can be programmed to respond to emergency situations automatically, and they can be shut off quickly and safely if necessary.
5. Better Performance: Electric air damper valves offer better performance than manual or pneumatic damper valves. They can be programmed to respond to changes in temperature or humidity, and they can be adjusted quickly and accurately to maintain optimal airflow and air quality.

Overall, electric air damper valves provide a more energy-efficient, convenient, and reliable solution for regulating airflow in HVAC systems.

The 160MM electric air damper valve is typically used in smaller HVAC systems where the volume of air being circulated is lower.

It can be used in various applications, including:

1. Residential HVAC systems: Electric air damper valves are used in residential HVAC systems to regulate the airflow to different rooms or areas of the house. By controlling the amount of air that is heated or cooled, the system can operate more efficiently and use less energy.
2. Commercial HVAC systems: Electric air damper valves are also used in commercial HVAC systems to regulate the airflow to different zones or areas of a building. This allows for better temperature control and energy efficiency, as each zone can be individually controlled.
3. Ventilation systems: Electric air damper valves can be used to regulate the flow of air in ventilation systems, such as in industrial or manufacturing facilities. This helps to remove pollutants and maintain a healthy indoor environment.

The electric motor in the damper valve is usually controlled by a thermostat or building automation system, which sends signals to the valve to open or close based on the temperature and airflow requirements in the building.

Overall, the 160MM electric air damper valve is an essential component in many HVAC systems, helping to regulate airflow and maintain comfortable and healthy indoor environments. It can be used in a variety of applications, from residential to commercial to industrial, to improve energy efficiency and reduce energy costs.

The 200MM electric air damper valve is typically used in smaller HVAC systems, where the volume of air being circulated is lower. It can be used in a variety of applications, including:

1. Residential HVAC systems: Electric air damper valves can be used in residential HVAC systems to regulate the airflow to different rooms or areas of the house. By controlling the amount of air that is heated or cooled, the system can operate more efficiently and use less energy.
2. Commercial HVAC systems: Electric air damper valves are commonly used in commercial HVAC systems to regulate the airflow to different zones or areas of a building. This allows for better temperature control and energy efficiency, as each zone can be individually controlled.
3. Ventilation systems: Electric air damper valves can be used to regulate the flow of air in ventilation systems, such as in industrial or manufacturing facilities. This helps to remove pollutants and maintain a healthy indoor environment.
4. 

Overall, the 200MM electric air damper valve is an important component in many HVAC systems, helping to regulate airflow and maintain comfortable and healthy indoor environments. It can be used in a variety of applications, from residential to commercial to industrial, to improve energy efficiency and reduce energy costs.

The electric motor in the damper valve is usually controlled by a thermostat or building automation system, which sends signals to the valve to open or close based on the temperature and airflow requirements in the building. This allows for precise control over the temperature and air quality in different areas of the building.

Overall, the 250MM electric air damper valve is an essential component in many HVAC systems, helping to regulate airflow and maintain comfortable and healthy indoor environments.

Electric air damper valves are widely used in HVAC (Heating, Ventilation, and Air Conditioning) systems to regulate and control the flow of air through ducts and ventilation systems.

Here are some common applications of electric air damper valves:

1. Zoning: In large buildings or homes with multiple zones, electric air damper valves are used to regulate the airflow to different zones or rooms. This allows for better temperature control and energy efficiency, as each zone can be individually controlled and maintained at a comfortable temperature.
2. Fresh air intake: Electric air damper valves can be used to control the intake of fresh air into a building. This is important for maintaining healthy indoor air quality and preventing the buildup of harmful pollutants and stale air.
3. Exhaust systems: Electric air damper valves can be used to regulate the flow of air in exhaust systems, such as in commercial kitchens or laboratories. This helps to remove smoke, fumes, and other pollutants from the building.
4. Energy efficiency: By regulating the airflow in HVAC systems, electric air damper valves can help improve energy efficiency and reduce energy costs. By controlling the amount of air that is heated or cooled, the system can operate more efficiently and use less energy.

Overall, electric air damper valves play an important role in maintaining comfortable and healthy indoor environments, while also improving energy efficiency and reducing energy costs.

An air damper valve operates by controlling the amount of air flowing through the ductwork. It has a blade that rotates to open or close the valve, thereby controlling airflow. The vanes are usually connected to a motor or actuator that can be controlled manually or automatically, depending on the type of HVAC system used.

Air dampers are designed to help maintain consistent airflow throughout the building. They work by regulating the flow of air in different areas of a building, depending on the need for heating or cooling. For example, if a particular room or area of a building needs more cooling than others, the damper valve can be adjusted to allow more cool air to flow into that area.

The 315MM Electric Air Damping Valve is especially useful in commercial buildings where central HVAC systems are used to maintain consistent temperature and air quality throughout the building. It can be used in conjunction with other HVAC components such as air handlers, fans, etc. to ensure the efficient flow of air throughout the building.

One of the main advantages of the 315MM Electric Air Damping Valve is its ability to precisely control airflow. This is especially important in buildings where different areas have different heating and cooling requirements. By adjusting damper valves, building managers can get the right amount of air flow to each zone, which helps reduce energy costs and improve indoor air quality.

Another advantage of the 315MM Electric Air Damping Valve is ease of installation. The valve can be easily integrated into existing piping systems, which helps minimize downtime and disruption during installation. Once installed, the valve requires minimal maintenance and provides reliable performance for an extended period of time.

In addition to use in commercial buildings, the 315MM Electric Air Damping Valve can also be used in residential HVAC systems. It is especially useful in homes with multiple zones, where different areas of the house require different levels of heating and cooling. By installing air conditioning valves in each zone, homeowners can ensure that every area of the home receives the proper level of heating and cooling, which can help reduce energy costs and improve overall comfort.

VAV stands for Variable Air Volume. In its simplest form, VAV systems use varying airflow at a constant temperature to heat and cool buildings. This is opposite of a CAV (or Constant Air Volume) system, which supplies consistent air flow at varying temperatures to heat or cool a space.

How does a VAV system work?

Let’s break down an example of how a VAV system works. An Air Handling Unit (AHU) pushes air into the duct system at roughly 55 degrees Fahrenheit for cooling. The air temperature stays constant in the system, moving through the ductwork to each zone or room of the building. The air eventually goes to the end of each line where it passes through a VAV box. Typically, a VAV box consists of a few simple parts: the damper, the controller/actuator, and perhaps a coil for heating and cooling via electricity or water pumps.

As the air passes through these boxes the actuator modulates the damper position which allows different amounts of airflow into the zone. Each VAV box modulates according to the needs of individual zones, meaning it can easily accommodate high demand in one area and low in another, maintaining comfort for everyone. Additionally, if a damper closes completely, the added system pressure allows the AHU’s fans to slow down, reducing energy use. Or using a bypass damper in the middle of the system, increased pressure could trigger that damper to open, relieving system strain into addition ducts or an exterior vent.

Benefits of VAV

1. This added control via VAVs brings some benefits:

1. Precise temperature control
2. Reduced compressor wear
3. Lower energy consumption
4. Less noise
5. Additional passive dehumidification

The The Restricts Air Flow Valve produced by Xicheng EP Ltd. is mainly used in PP material ventilation duct system, connected with PP air duct, used for corrosive gas extraction and exhaust control, anti-corrosion acid and alkali resistance, PP electric air valve specifications Complete, supporting PP air ducts, elbows, tees, and variable diameters are used to form a complete PP ventilation duct system. The damper body below ø315 is injection-molded, and the body above ø315 is custom-made by coil.

The Restricts Air Flow Valve is a kind of non-sealed butterfly valve, which is widely used in colleges, chemical, biological, electric power, energy, environmental engineering, etc. in the production process, the medium temperature is less than or equal to 90 ℃, and the nominal pressure is less than 0.1Mpa. , Open and close or adjust the medium, usually installed on the top of the fume hood, the PP suction hood and the inlet of the pipeline of the one-use-one-standby spray tower, as a switch to the exhaust gas flow direction of the PP spray tower.

The Restricts Air Flow Valve

The Restricts Air Flow Valve is installed in the PP pipeline system. Through manual operation or PLC automatic control technology, the PP electric air valve can be opened and closed according to the needs. Drive the rotation of the butterfly valve blade to achieve a 90-degree angle, achieve the purpose of opening and closing, and have a feedback indication function. Through the differential pressure detection device, after closing the air valve, the signal is transmitted to the PLC system, so as to control the PP fan inverter to reduce the speed and save energy.

The Restricts Air Flow Valve

Voltage: AC220V
Current: <0.1A
Torque: 8N/m
Switch stroke: 6 seconds

The Restricts Air Flow Valve performance characteristics

PP material processing, acid and alkali corrosion resistance, strong anti-corrosion performance;
Both ends of the Analog Electric Damper are designed with sockets and flanges, and flanges can also be welded;
High-strength actuator, all-copper design, switch life more than 20,000 times;
The inner and outer walls are smooth and the wind resistance is small.

The Restricts Air Flow Valve specifications and models

The Restricts Air Flow Valve industry application

Workshop ventilation system
Chemical fresh air system
Laboratory ventilation system
HVAC system

• Warrantry time: 1 year
• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com
• Whatsapp: +86 19925135783