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Airduct System

Air Duct Series

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Introduction to Lightweight and Eco-Friendly Air Ducts for Rail Vehicles
The lightweight and eco-friendly Air duct is a core component of the ventilation and air conditioning system for modern urban rail transit and railway vehicles. It is specially developed to meet the development demands of rail vehicles for energy saving, emission reduction, lightweight design, environmental protection and high operational safety. Compared with traditional metal and ordinary plastic air ducts, this new-type duct features prominent advantages in weight reduction, environmental performance, structural stability and service adaptability, and has been widely applied in subway vehicles, urban EMUs and standard railway passenger cars.
In terms of material selection, the duct adopts high-modulus, high-toughness and low-volatile environmentally friendly polymer composite materials. The raw materials are free of harmful substances such as heavy metals and volatile toxic compounds, and fully comply with rail vehicle industry standards, RoHS environmental protection requirements and vehicle interior material safety specifications. The optimized lightweight formula effectively reduces the overall density of the product while ensuring mechanical properties, realizing a significant weight reduction compared with traditional aluminum alloy and glass fiber reinforced plastic ducts. The reduced body weight effectively lowers the vehicle’s operating energy consumption, improves traction efficiency, and achieves remarkable energy-saving and emission-reduction effects during long-term operation.
In terms of structural performance, the lightweight air duct is designed with integrated molding and optimized reinforcing structure. It possesses excellent bending resistance, impact resistance and aging resistance, and can maintain stable structural performance for a long time under complex vehicle operating conditions such as vehicle vibration, alternating temperature and humidity, and airflow impact. The product features high surface finish, good air tightness and smooth internal airflow channel, which effectively reduces wind resistance and airflow noise, improves the operating efficiency of the vehicle air conditioning and ventilation system, and optimizes the interior riding environment. In addition, the material has excellent flame retardancy, low smoke density and low toxicity, which can effectively ensure passenger safety in case of emergency and meet the strict fire protection standards for rail vehicle interior parts.
In terms of processing and application advantages, the lightweight eco-friendly air duct supports modular integrated production and standardized installation. It has the characteristics of convenient construction, strong fitting accuracy and low later maintenance cost. The material boasts outstanding weather resistance and hydrolysis resistance, and will not produce odor, mildew, peeling or brittle failure during long-term service. It can adapt to the full-temperature operating environment of rail vehicles and long-distance high-frequency operating conditions. Meanwhile, the raw materials are recyclable and pollution-free in the whole life cycle, which conforms to the green manufacturing and low-carbon development concept of modern rail transit equipment, and is the mainstream upgrading product for the new generation of rail vehicle Ventilation Systems.
Standard & Customizable Air Duct Solutions
Ventilation System
BIDE air ducts including lightweight ducts, main ducts and functional ducts support full personalized customization according to diverse customer demands. We deliver optimized, stable and comfortable air supply performance, creating a perfect HVAC experience for various rail transit vehicles.
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