NUOENWEI's Duct Fitting

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In this project, we provided the customer with a highly efficient insulation air conditioning insulation duct system, which is closely integrated with the grain chiller to optimize the temperature and humidity control of the grain storage environment.

Through in-depth communication with customers, we designed a special thermal insulation duct to meet the needs of grain chillers, using high-quality thermal insulation materials to ensure that the system maintains stable performance in low temperature and high humidity environment. Our factories are responsible for production and ensure that products are delivered to customers quickly and safely. Finally, the successful application of the thermal insulation duct system has significantly improved the preservation effect of grain and reduced energy consumption, and our air conditioning insulation duct has also been highly recognized by customers.



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Date : November 6, 2024




We are pleased to announce that our factory in Foshan, Guangdong Province has recently successfully completed the shipment of a batch of PCA hose from a customer in Turkey. This 40-foot container loaded product will provide high quality support to our customer in aviation ground services.




Product display and packing process




The PCA hose that has been shipped undergoes rigorous quality control in the production line to ensure that each product meets international standards. The products we provide to our customers include various models and sizes, which are suitable for different types of airplanes. The packing process is delicate and efficient to ensure that each product is properly protected during transportation. Below are the highlights of packing and crating:




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- Packing photos: showing the exciting situation when the container is filled with PCA hose.






Customer Information




The buyer of this order is located in Turkey and they have shown great confidence in the high quality and reliability of our products. We look forward to a long term relationship with our customer and working together to advance the aviation industry.


“We are extremely proud to see this batch of products make it out the door,” said Elaine Guo, General Manager of the Foreign Trade Department. “We will continue to provide our customers with the highest quality products and services to meet their growing needs.”




For more information or to view product drawings, please visit our website: https://www.nuoenwei.com/


Media Contact:
[Name] Elaine Guo
[Position] General Manager of Foreign Trade Department
[Company Name] Foshan Nuowei ventilation Co.,LTD
[Phone] 86-15875732388
[Email] sales@fsnuowei.com

In modern industry, PVC (polyvinyl chloride) flexible duct is widely used for its superior performance and economy. It is a flexible, durable and adaptable duct system that plays an important role in a wide range of working conditions, especially in the fields of ventilation, exhaust and material transportation. In this paper, we will discuss the composition, application scenarios and main advantages of PVC industrial flexible duct.






1. Composition of PVC flexible duct




PVC flexible ducts are usually manufactured from high-quality polyvinyl chloride material with a smooth surface and an inner wall designed with a specific texture to enhance airflow efficiency. The duct is built-in with reinforced spiral steel wires to increase its stability and pressure resistance. A wide range of specifications with different inner diameters and wall thicknesses are available according to customer requirements.






2. Application Scenarios




PVC flexible air ducts are suitable for many industries, including but not limited to:
- Construction industry: used in the ventilation system of buildings to ensure indoor air circulation.
- Food processing: In the food industry, air ducts can be used to convey and discharge air to maintain hygiene and quality.
- Chemical industry: Widely used for the transportation of chemicals and the treatment of exhaust gases.
- Electronic equipment manufacturing: for anti-static protection to ensure the safety of the production environment.
- Automobile manufacturing: for ventilation and exhaust gas discharge in spraying workshop and other areas.






3. Advantages of PVC flexible duct




- Lightweight and flexible: PVC flexible duct is easy to install and carry due to its lightweight characteristics, and can be adapted to different shapes of installation space.
- Chemical-resistant: Its high-quality material makes it resistant to a variety of chemical substances, suitable for harsh industrial environments.
- Wide temperature range: PVC duct can work stably in a certain temperature range, adapting to diversified application requirements.
- Economy: Compared with metal ducts, PVC flexible ducts have lower production and installation costs, which reduces the operational burden of enterprises.






4. Conclusion




With its flexibility, durability and affordability, PVC industrial flexible ducts have become the ideal ventilation solution for a wide range of industries. With the continuous development of industrial technology, its application will be even more promising. When choosing the right duct, companies should consider their actual needs and the performance characteristics of the duct to ensure that the most suitable product is selected.

Contact Information:
For more information, please contact:
🌐web : https://www.nuoenwei.com
📞Phone/whatsApp : 86-15875732388
✉️E-mail : sales@fsnuowei.com


If you are interested in specific applications or customized solutions for air conditioning insulated ducts, you can contact us for professional advice and solutions tailored to your needs. Or you can find us through the following platforms：
https://www.nuoenwei.com/
https://www.youtube.com/@NUOWEIventilation
https://x.com/NUOWEIVENT
https://www.instagram.com/nuoenwei/
https://www.linkedin.com/company/foshan-nuowei-ventilation-co-ltd/?viewAsMember=true

https://www.facebook.com/NuoWeiventilation/

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I. Product overview




Both air ducts are used with barn air conditioner coolers, with basic properties such as flame retardant, corrosion resistance and heat insulation, but with significant differences in core parameters:
High quality duct: main color is yellow, thickness 4mm, lower thermal conductivity (0.027 W/(m.K)), total weight 650±20 g/m³, tensile strength up to 2300N.
General duct: the main color is orange or army green, thickness 2mm, thermal conductivity is slightly higher (0.037 W/(m.K)), total weight 350±20 g/m³, tensile strength is 563N.





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II. Core Parameters Comparison




1. Material and structureFabric Thickness: 0.55mm for high quality model vs 0.38mm for general model, the former is more wear-resistant and durable.


2.Total weight: High-quality model is heavier (650±20 g/m³), but with better heat preservation effect; general model is lightweight (350±20 g/m³), suitable for temporary or mobile scenes.





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II. Core Parameters Comparison




1. Material and structureFabric Thickness: 0.55mm for high quality model vs 0.38mm for general model, the former is more wear-resistant and durable.
Total weight: High-quality model is heavier (650±20 g/m³), but with better heat preservation effect; general model is lightweight (350±20 g/m³), suitable for temporary or mobile scenes.、


2. Mechanical propertiesTensile strength: High quality model (2300N) is 4 times more than general model (563N), suitable for high pressure environment.
Tear strength: the general model (360N/5cm) is slightly higher than the high-quality model (300N/5cm), but the adhesion force is only 35N/5cm (90N/5cm for high-quality model), with higher risk of easy delamination.


3. Thermal insulation and temperature resistanceThermal conductivity: High-quality models 0.027 W/(m.K) is better than general models 0.037 W/(m.K), reducing cold air loss by about 30%.
Temperature resistance: both cover -30°C to +80°C (measured value), but the high-quality model claims in the user's description that the upper limit of temperature resistance is up to 100°C, which is suitable for harsher environments.


4. Safety approvalsFlame retardancy: The high-quality model has passed UL94 VTN4-0 certification (international general standard), while the general model is only labeled “BZ”, which may be a regional standard and requires further confirmation.







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III. Analysis of Advantages and Disadvantages




TypeAdvantage LimitationsHigh quality duct Strong insulation, durability, high safetyHigh weight, high costGeneral duct Lightweight, flexible, economical Weak insulation effect, easy to deteriorate with long-term use






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IV. the applicable scene recommendation




High-quality ducts: suitable for long-term fixed installation, high demand for air-conditioning delivery (such as large grain silos, data centers), especially focusing on energy saving and durability.
General duct: suitable for short-term projects, limited budget or frequent movement of the occasion (such as temporary storage, small workshop).





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V. Conclusion




When choosing air conditioning insulation ducts, it is necessary to weigh the cost and performance requirements. If you are looking for long-term stable operation and high energy efficiency, high-quality ducts are ideal; while general models are lightweight and economical, suitable for non-intensive scenarios. It is recommended to prioritize reference to authoritative testing standards (e.g. DIN, BS) and verify the certification details provided by suppliers to ensure system safety and performance.





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Application Inquiries




▶️ Sample testing has been provided for some national cold airports
▶️ Support small batch customized production, technical consultation please contact: [Elaine/sales@fsnuowei.com ]
▶️ Visit the official website to view the video: [https://www.nuoenwei.com]

Introduction
Industrial dust removal is critical for maintaining safe workspaces, protecting equipment, and complying with environmental regulations. Traditional metal ducts have long dominated the industry, but advancements in materials science have introduced a superior alternative: PVC negative pressure flexible ducts. This article explores why these ducts are revolutionizing industrial ventilation systems, focusing on their lightweight construction, corrosion resistance, and bendable design compared to rigid metal counterparts.


The Limitations of Traditional Metal Ducts
Metal ducts (e.g., galvanized steel or aluminum) have been the default choice for decades due to their durability. However, they come with significant drawbacks:

1. Heavyweight
Installation requires heavy machinery and labor, increasing time and costs.

2. Corrosion Vulnerability
Exposure to moisture or acidic dust (e.g., chemical residues) leads to rust, leaks, and frequent replacements.

3. Inflexible Design
Fixed shapes limit adaptability to complex layouts, creating airflow inefficiencies.


PVC Negative Pressure Flexible Ducts: 3 Key Advantages for Industrial Dust Removal
PVC flexible ducts address these challenges while enhancing performance in harsh industrial environments.

1. Lightweight & Easy Installation
PVC ducts weigh up to 70% less than metal ducts, simplifying handling and reducing installation time. Workers can deploy them without cranes or specialized tools, making them ideal for retrofitting older facilities or temporary setups.



Case Study: A metal fabrication plant reduced duct installation costs by 40% by switching to PVC, with no compromise on airflow capacity.



2. Superior Corrosion & Chemical Resistance
PVC material inherently resists rust, moisture, and aggressive chemicals (e.g., solvents, acidic dust). This extends the duct’s lifespan in industries like mining, chemical processing, or woodworking.



Data Point: PVC ducts last 3–5x longer than metal in high-humidity environments, according to OSHA-compliant airflow tests.



3. Flexibility for Complex Layouts
The bendable design allows ducts to navigate around machinery, beams, or tight corners without custom fittings. This ensures consistent negative pressure across the system, improving dust capture efficiency.


Cost & Efficiency Benefits


Lower Maintenance: No rust or joint leaks mean reduced downtime for repairs.



Energy Savings: Smooth PVC interiors minimize airflow resistance, cutting fan energy use by up to 15%.



Scalability: Modular designs allow easy expansion as production lines evolve.




Industries That Benefit Most


Metalworking & Welding: Handles sparks and metal fumes without degradation.



Woodworking: Resists moisture from sawdust collection.



Pharmaceuticals & Chemicals: Withstands corrosive vapors.




Conclusion
PVC negative pressure flexible ducts are redefining industrial dust removal by combining practicality, durability, and cost-efficiency. Their lightweight, corrosion-resistant, and adaptable design solves the limitations of traditional metal ducts, making them a future-proof investment for safer, cleaner workspaces.

Ready to upgrade your ventilation system? Contact experts today to design a PVC duct solution tailored to your facility’s needs.


FAQ Section
Q1: Can PVC ducts handle high-temperature industrial dust?
A: Standard PVC ducts tolerate temperatures up to 140°F (60°C). For higher heat, opt for CPVC or hybrid materials.

Q2: Are PVC ducts compliant with fire safety standards?
A: Yes—look for UL-listed fire-retardant PVC ducts with low smoke emission ratings.