Here are some considerations for creating a custom square duct damper:

Square duct damper size: The size of the duct damper should be determined according to the size of the duct to be installed. It is important to make sure the baffle is installed correctly and does not obstruct air flow.

Square Duct Damper Material: The material used to make the duct damper should be selected according to the application. For example, galvanized steel is often used in HVAC systems, while aluminum may be more suitable for industrial or corrosive environments.

Square duct damper operation: The damper can be operated manually by a handle or lever, or automatically by a motor or actuator. The type of operation should be selected based on the application and the level of control required.

Duct damper blade configuration: The damper blades can be fixed or adjustable. Adjustable vanes are available for more precise adjustment of airflow.

Air duct damper sealing: A good air duct damper should be tightly sealed to prevent air leakage. Custom dampers can be designed with gaskets or sealants to ensure proper sealing.

Square Duct Damper Installation: The damper can be installed horizontally or vertically, depending on the application.

Additional Features: Depending on the application, duct dampers can add additional features, such as insulation to prevent heat loss or increase, or sound-absorbing materials to reduce noise.

Overall, creating a custom square duct damper requires considering the specific requirements of the application and selecting the proper size, material, operation, blade configuration, sealing, mounting, and other features.

Custom square duct dampers can be manually or automatically operated and are commonly used to control temperature and airflow in a room or building. They can be designed to fit specific pipe sizes and shapes, which makes them suitable for a wide range of applications.

Some common applications for custom square duct dampers include:

Zoning systems: These dampers can be used in zoning systems to regulate the temperature in different areas of a building. By controlling airflow in different areas, HVAC systems can be more efficient and effective.

Energy Efficiency: Custom Square Duct Dampers can be used to control the amount of air flowing through a specific duct, which can help improve the energy efficiency of your HVAC system.

Noise Control: By regulating airflow, custom square duct dampers can help reduce the amount of noise produced by your HVAC system.

Smoke and fire control: Custom square duct dampers can be designed to operate automatically in the event of a fire, helping to prevent the spread of smoke and fire through ductwork.

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

1. The role of water balance. The Check Valve Industrial is reasonable, ensuring reliable fresh air distribution in different areas.
2. The function of energy-saving and precise control of air volume. On the premise of ensuring the fresh air volume, the system runs energy-saving and low-consumption
3. It is widely used in the industrial waste gas treatment industry, which can accurately control waste gas emissions and prevent the backflow of toxic waste gas.
4. The effect of reducing noise. It can effectively reduce wind noise and other noise in the air duct, especially in the exhaust system of industrial production and office buildings, replacing exhaust fans, significantly reducing noise, saving energy, and maintaining continuous ventilation.

The Check Valve with nothing to do with the pipeline pressure is used in the central fresh air system and exhaust system to effectively ensure the continuous new air volume and exhaust volume effectively and accurately control the air volume and reduce noise. They are usually used in a large area in the air duct system of the central fresh air system and exhaust system of hotels, hospitals, office buildings, and other places to replace traditional manual valves and exhaust fans.

Check Valve Duct Damper Control has a range:

The Check Valve  is suitable for industrial waste gas treatment, civil building HVAC systems, ventilation equipment in school laboratories, and hospital ventilation and exhaust systems. It is one of the vital equipment to control ventilation modes in various environments. Its main features are flexible operation, low noise, small leakage (closed type leakage> 0.5%), wide operating temperature range, reliable structure, safe and convenience.

Warrantry time: 1 year

• Product spec: Custom
• Material: 100% polypropylene
• Shape: round or square
• Contact information
• Email: Leyte@chian-xicheng.com

The Butterfly Valve is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Butterfly Valve is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Butterfly Valve is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

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

The Industrial Ventilation Pipe Fittings Valve Electric Actuator 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 has complete specifications, 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.

Industrial Ventilation Pipe Fittings Valve Electric Actuator is a kind of non-sealed butterfly valve, which is widely used in universities, chemical industry, biology, 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 top of the PP suction hood, and the inlet of the pipeline of the one-use and one-standby spray tower, as a switch to the exhaust gas flow direction of the PP spray tower.

Industrial Ventilation Pipe Fittings Valve Electric Actuator

The Industrial Ventilation Pipe Fittings Valve Electric Actuator 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.

Industrial Ventilation Pipe Fittings Valve Electric Actuator parameters

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

Industrial Ventilation Pipe Fittings Valve Electric Actuator performance characteristics

PP material processing, acid and alkali corrosion resistance, strong anti-corrosion performance;
Both ends of the PP electric air valve 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.

Industrial Ventilation Pipe Fittings Valve Electric Actuator 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

1. The role of water balance. The PVC Swing Check Valve Industrial is reasonable, ensuring reliable fresh air distribution in different areas.

2. The function of energy-saving and precise control of air volume. On the premise of ensuring the fresh air volume, the system runs energy-saving and low-consumption

3. It is widely used in the industrial waste gas treatment industry, which can accurately control waste gas emissions and prevent the backflow of toxic waste gas.

4. The effect of reducing noise. It can effectively reduce wind noise and other noise in the air duct, especially in the exhaust system of industrial production and office buildings, replacing exhaust fans, significantly reducing noise, saving energy, and maintaining continuous ventilation.

The PVC Swing Check Valve Industrial with nothing to do with the pipeline pressure is used in the central fresh air system and exhaust system to effectively ensure the continuous new air volume and exhaust volume effectively and accurately control the air volume and reduce noise. They are usually used in a large area in the air duct system of the central fresh air system and exhaust system of hotels, hospitals, office buildings, and other places to replace traditional manual valves and exhaust fans.

The PVC Swing Check Valve Industrial has a range:

The PVC Swing Check Valve Industrial is suitable for industrial waste gas treatment, civil building HVAC systems, ventilation equipment in school laboratories, and hospital ventilation and exhaust systems. It is one of the vital equipment to control ventilation modes in various environments. Its main features are flexible operation, low noise, small leakage (closed type leakage> 0.5%), wide operating temperature range, reliable structure, safe and convenience.

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

The Manually Operated Air Auct Air Volume Damper is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Manually Operated Air Auct Air Volume Damper is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manually Operated Air Auct Air Volume Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Manually Operated Air Auct Air Volume Damper is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

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

The Polyethylene Plastic Damper is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Polyethylene Plastic Damper is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Polyethylene Plastic Damper is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

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

The Constant Air Volume dampers (CAV) is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Constant Air Volume dampers (CAV) is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Constant Air Volume dampers (CAV) is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

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

The Manual Damper is made of PP/PVC material, which is resistant to acid and alkali corrosion. The working principle of the PP/PVC plastic manual air valve is the same as that of the PP/PVC electric air valve, except that the electric actuator is changed to a pneumatic actuator, and the air pipe is controlled by a third-party plate solenoid valve. The switch realizes the opening and closing of the Manual Damper.

Manual Damper is suitable for application environments with explosion-proof requirements such as chemical plants and laboratories. Used in PVC ventilation duct system, connected with PVC air duct. It is used for exhaust control of corrosive gas, corrosion resistance and acid resistance. Manual Damper have complete specifications, and are equipped with PP/PVC air ducts, elbows, tees, and reducers to form a complete PP/PVC ventilation duct system. The pneumatic actuator of the PP/PVC plastic manual air valve can be selected according to the specifications of the air valve. torque.

Manual Damper is a kind of non-closed butterfly valve, which is widely used in universities, chemical industry, biology, electric power, energy, environmental engineering, etc. During the production process, the medium temperature is less than or equal to 90℃, and the nominal pressure is less than 0.1Mpa. Connect, open and close or adjust the medium, usually installed at the top of the fume hood, PVC suction hood, and at the entrance of the pipeline of the spray tower to be used as the switching direction of the exhaust gas flow of the spray tower

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