Features of Aosun Industrial Flexible Duct
- Designed for complex duct routing in HVAC, industrial ventilation, and airflow systems with limited installation space.
- Lightweight flexible duct structure helps simplify transportation, handling, and on-site installation compared with rigid ducting systems.
- Reduce vibration transmission from inline fans and improve ventilation system stability.
- Available in aluminum, PVC, PU, insulated, and acoustic flexible duct versions for HVAC, dust collection, and industrial airflow applications.
- Custom diameter, duct length, material thickness, insulation structure, and packaging solutions available for OEM ventilation projects.
Aosun | Professional Industrial Flexible Duct Manufacturer in China
Aosun is a leading Chinese manufacturer specializing in high-performance industrial flexible ducts, dedicated to providing reliable ventilation solutions for global HVAC, industrial exhaust, and dust collection systems. Our product range includes PVC, PU, insulated, flame-retardant, and high-temperature resistant flexible ducts. Our ducts are constructed with an enhanced steel wire spiral structure and high-quality coating for exceptional flexibility, durability, and airtightness. We strictly adhere to international quality standards. The ducts have low air leakage, anti-aging and corrosion-resistant properties, and are suitable for various industrial scenarios. With advanced production technology and customization capabilities, Aosun offers cost-effective, durable air ducts that ensures efficient airflow, easy installation, and stable performance in diverse industrial environments.
It is reinforced with spiral steel wires, which is lightweight, highly cost-effective, and resistant to water.
It has extremely high wear resistance and a smooth inner surface. It is the best choice for dust collection systems.
It adopts a conductive and anti-static design to eliminate the accumulation of static electricity and the risk of sparks. Ensure the safe operation of the equipment in industrial environments with dense dust.
It is equipped with an internal heat insulation layer and can withstand high-temperature flue gas. Suitable for welding and high temperature workshop exhaust scenarios.
Why You Need Industrial Flexible duct?
Flexible Routing for Limited Installation Spaces
Most industrial production workshops and commercial buildings have compact internal spaces with dense machinery and electrical conduits, resulting in irregular and limited installation paths for pipes. Rigid ducts cannot be freely bent or adjusted, making it difficult to achieve a reasonable layout. Industrial flexible ducts support arbitrary bending, winding, and steering, which can flexibly avoid obstacles and complete precise pipe layout in narrow Spaces.
Reduce Vibration & Airflow Noise
Industrial ventilation systems are usually equipped with high-power fans and air supply equipment, which will generate intense vibration and large airflow during operation. Industrial flexible ducts adopt flexible buffering structures, which can effectively reduce the transmission of vibration. At the same time, the design of large-diameter ducts meets the high air volume requirements of industrial scenarios, ensuring stable and smooth airflow while reducing system operating noise and equipment wear.
Suitable for Temporary Ventilation Systems
For temporary ventilation systems or movable industrial equipment, rigid pipes have poor flexibility and are difficult to adjust and reuse. Industrial flexible ducts can be quickly laid out for temporary ventilation work. After the project is completed, they can be disassembled, stored and reused. This significantly reduces the cost of repeated investment and improves the practicality of the ventilation system.
Adapt to Harsh Industrial Environments
Industrial production environment is usually relatively harsh, such as high temperature, high humidity, heavy dust, chemical gas corrosion and other complex conditions. The industrial flexible pipe is made of anti-corrosion, wear-resistant and weather-resistant materials, which can resist the erosion of humid air, chemicals and dust particles. It can adapt to long-term high-intensity industrial operation and maintain stable performance in harsh environments.
Applications of Industrial Flexible Duct
HVAC Air Distribution Systems
Industrial flexible duct is widely used in HVAC projects. It provides a stable air supply service to achieve efficient delivery of air supply and return air from commercial HVAC systems. It features a flexible layout and low wind resistance performance, optimizing the indoor air circulation efficiency and ensuring uniform and stable indoor air quality.
Industrial Ventilation Systems
Unlike commercial HVAC ventilation, industrial ventilation focuses on the air circulation, heat dissipation and fresh air replacement in large areas. Industrial ventilation ducts can support large volumes of air flow transmission, effectively solving problems such as poor air circulation and stuffiness in large industrial Spaces. It can keep the air fresh and temperature stable in the working area, which improves the working environment of industrial production.
Dust Collection Systems
The inner wall of the industrial flexible pipe is smooth, and it has excellent wear resistance and antistatic properties. They can efficiently collect dust and impurities, preventing dust accumulation and eliminating the risk of static electricity. They are an important component of dust purification and environmental protection systems in woodworking, cement processing, metal processing, and powder handling industries.
Welding & Fume Extraction Systems
For the situation of high-temperature and corrosive exhaust gas emissions, industrial flexible ducts possess the characteristics of high-temperature resistance and chemical corrosion resistance. They can stably extract welding fumes, industrial chemical waste gases and waste exhaust gases, resisting the erosion of high-temperature flue gas and the corrosion of chemical media, ensuring the safe and efficient emission of harmful gases in industrial production and laboratory environments.
Agricultural Ventilation
Industrial ventilation ducts can be used in agricultural ventilation such as farms, livestock farms, and greenhouse, which features excellent moisture-proof properties, durability, and flexible layout capabilities. They can achieve stable air circulation within enclosed agricultural spaces, effectively regulating internal humidity and temperature, removing excess heat and stale air, and creating a constant and suitable environment for the growth and breeding of crops and livestock.
How to choose the right industrial Flexible duct?
Selecting the appropriate industrial flexible duct is crucial for ensuring the long-term stable and efficient operation of the ventilation system. We have summarized the following four factors for your reference.
Airflow Requirement
First, you need to confirm the actual air volume requirement of the ventilation system. For high air volume industrial scenarios, such as factory ventilation and dust removal, large-diameter ducts are necessary to ensure smooth airflow. For regular commercial HVAC and agricultural ventilation scenarios, you can choose standard-sized industrial flexible ducts.
Duct Diameter
You need to determine the diameter of the duct based on the specifications of the equipment’s air outlet. If the diameter is too small, it will result in excessive air resistance, which will affect the ventilation efficiency. If the diameter is too large, it will cause waste of space and increase the cost. When the pipe diameter does not match the diameter of the air outlet, you can use a reducer.
Temperature Range
You need to select the type of duct based on the operating temperature of the working environment. In normal temperature and regular ventilation scenarios, PVC and PU flexible ducts can be chosen. In scenarios of high-temperature flue gas emissions, professional high-temperature resistant flexible air ducts must be selected to prevent material aging, deformation and damage caused by high temperatures and ensure safe operation.
Installation Environment
You should fully consider the environmental characteristics of the installation site. For environments with high dust content and flammability, you can choose anti-static ducts. For environments with high humidity and large temperature differences, you can select insulated ducts. For workshops with chemical erosion and particle friction, you can choose ducts that are wear-resistant and corrosion-resistant.
Why Choose Aosun industrial flexible duct?
As a leading manufacturer of flexible industrial ducts in China, Aosun provides one-stop professional ventilation duct solutions for global customers. We implement a standardized quality management system. All the industrial flexible ducts produced by us undergo strict quality inspections and have obtained multiple international certifications such as CE, SAA, and RoHS. Aosun has modern standardized production workshops and a complete set of automated production equipment, with independent R&D, production, and processing capabilities. We support large-scale batch production, have stable delivery cycles and sufficient inventory. We can effectively meet the needs of large-scale engineering projects and long-term cooperation orders, ensuring timely and accurate delivery. Moreover, Aosun offers OEM/ODM customization services, which can customize the material, size, color, additional functions and packaging of industrial flexible air ducts according to your needs.
Compared to traditional rigid ducts, industrial flexible ducts can be freely bent, which makes them suitable for complex piping layouts and narrow installation spaces. They also save time and labor during transportation and on-site installation. It can also buffer the vibration of the fan and reduce noise transmission. Flexible ducts have a variety of materials to choose, making them more suitable for harsh industrial conditions such as high temperatures, dust removal, and anti-static requirements.
The common materials for industrial flexible ducts mainly include PVC, PU, and other high-temperature resistant composite materials. PVC is cost-effective and suitable for conventional room temperature ventilation scenarios. PU is wear-resistant and durable, and is mostly used in dust removal systems. High-temperature resistant composite materials can withstand high-temperature flue gas. Additionally, there are also aluminum foil, insulation, and sound-absorbing models, which are suitable for HVAC noise reduction and special working conditions.
The inner walls of qualified industrial flexible ducts are smooth and the pipe diameters are standard. Normal and compliant installation will not significantly reduce the air volume. Only excessive bending will increase the air resistance and affect the ventilation effect. As long as the specifications are selected correctly according to the working conditions and the ducts are laid out in a standard manner, the stable air flow transmission can be guaranteed.
The temperature resistance range of industrial flexible ducts varies depending on the material. Ordinary PVC flexible ducts are suitable for normal temperature environments and have a temperature resistance range of approximately -20℃to 60℃. PU and anti-static ducts can withstand temperatures ranging from -30℃ to 80℃. Special high-temperature resistant ducts can withstand temperatures of 200℃ to 300℃ and are suitable for applications such as welding exhaust and high-temperature waste gas discharge.
When installing industrial flexible air ducts, it is necessary to keep them as straight as possible to avoid excessive distortion and sharp bends. You should fix the hangers reasonably to prevent the air ducts from sagging and collapsing. Do not overly stretch the duct body, and retain an appropriate amount of expansion allowance. Lastly, you should do a good job of sealing and reinforcing at the interface to prevent air leakage.
Industrial flexible duct can be used outdoors, but you need to choose special material style. Ordinary industrial flexible ducts are not resistant to ultraviolet rays and are not suitable for long-term outdoor installation. It is recommended that you select a special outdoor type of flexible duct that is resistant to aging, waterproof and sun-proof. At the same time, you should ensure proper fixation and protection to avoid long-term exposure to sunlight or soaking by rain.
The layout length of industrial flexible ducts is not standardized. It mainly depends on the air volume, pipe diameter and installation conditions. In a typical HVAC ventilation scenario, one section can be laid out for about 10-15 meters. For dust removal and high-temperature exhaust pipelines, it is recommended to keep the length within a reasonable range to avoid increasing wind resistance and affecting the ventilation effect.
Industrial flexible ducts can be directly connected to inline fans for use. You only need to match the corresponding pipe diameter size and ensure a good seal at the interface. The installation is simple and the adaptability is strong. When used together, it can effectively guide the airflow. Meanwhile, the flexible material can buffer the vibration generated by the fan operation, reduce noise transmission, and is suitable for various ventilation conditions.
The HVAC system is best suited to use conventional PVC flexible ducts and insulated flexible ducts. These materials are flexible and easy to install, and are compatible with the complex ceiling piping layout of buildings. They have low resistance and good sealing performance, which can meet the requirements of air supply, return air and fresh air delivery. And the insulated air ducts can also prevent condensation and reduce heat loss. They are the mainstream choice for commercial HVAC projects.
The lifespan of industrial flexible ducts is greatly influenced by the material and the usage environment. The conventional PVC industrial duct can be used for 3 to 8 years in indoor normal temperature ventilation conditions. The insulation type, PU material and anti-static ducts have stronger wear resistance and can be used for more than five years under normal working conditions. In harsh environments such as high temperature, high humidity and dust corrosion, the service life will be shortened.
