Category Archives: Document

What is an air duct? Effect of air duct

What is an Air Duct? Effects, Composition and Classification of Round – Square Air Ducts 1. What is an air duct? Air ducts are an important device in the ventilation and air conditioning (HVAC) system, helping to circulate and distribute air in buildings, factories, commercial centers, hospitals, and many other projects. As a connection between …

Flexible air ducts and regular air ducts

Differences between flexible air ducts and regular air ducts: Which type should you choose? In the ventilation – air conditioning system, choosing the appropriate type of duct plays an important role in ensuring operational efficiency and cost savings. The two most popular types today are soft air ducts and regular air ducts (hard air ducts). …

Plastic air grille: Durable, Beautiful, Effective Ventilation Solution

Plastic air grille: Durable, Beautiful, Effective Ventilation Solution Plastic air grille is increasingly used in civil and industrial ventilation and air conditioning systems thanks to its lightweight, rust-free and easy-to-maintain properties. With many diverse designs and applications, Plastic air grille not only helps circulate air effectively but also ensures the aesthetics of the installation space. …

Louver – The Optimal Solution for Modern Ventilation Systems

Louver – The Optimal Solution for Modern Ventilation Systems 1. About Louver Louver is one of the most popular types of air doors today, widely used in air conditioning and ventilation systems in homes, offices, shopping centers, factories and civil-industrial projects. With a unique Z-shaped slat design, the product helps limit visibility through the air …

Comparison of Narrow Slot Diffuser and Oval Air Diffuser

Compare Slot Diffuser And Oval Air Diffuser – Which Type Should You Choose? In the ventilation – air conditioning (HVAC) system, choosing the appropriate type of air vent plays an important role in operational efficiency and building aesthetics. Slot Diffuser and Oval Air Diffuser are two popular product lines today, each with different characteristics and applications. …

What Is a Diffuser Air Grille? Applications in Modern Construction Projects

What Is a Diffuser Air Grille? Applications in Modern Construction Projects 1. What Is a Diffuser Air Grille? A diffuser air grille is a terminal device in the HVAC system, designed to distribute cool or warm airflow into a space in an even, gentle, and efficient manner. Unlike conventional air grilles, diffuser air grilles are …

Applications of Egg Crate Air Grilles

What Is an Egg Crate Air Grille? Applications in Ventilation and Air Conditioning Systems 1. Overview of Egg Crate Air Grilles An egg crate air grille is a type of air grille featuring a special cross-louvered design resembling an egg crate. This structure optimizes airflow while reducing static pressure, making it highly popular in modern …

Motorized Fire Damper: Principle and Applications

What Is a Motorized Fire Damper? Operating Principle and Practical Applications 1. What Is a Motorized Fire Damper? A motorized fire damper is a safety device installed in duct systems to prevent the spread of smoke and fire during a fire incident. Unlike conventional (manual) fire dampers, motorized fire dampers use an electric actuator to …

Non-return Damper

What is an NRD Non-Return Damper? Operating Principle and Practical Applications 1. What is an NRD Non-Return Damper? An NRD (Non-Return Damper) is a type of damper designed to allow airflow in only one direction while preventing air, smoke, or toxic gases from flowing back. It is an essential component in HVAC (Heating, Ventilation, and …

PRD Pressure Relief Damper

What Is a PRD Pressure Relief Damper? Working Principle and Practical Applications 1. What Is a PRD Pressure Relief Damper? A PRD (Pressure Relief Damper) is a device installed in ductwork or air pathways to release excess pressure once it exceeds the design threshold. It is a type of safety damper specifically designed for ventilation …

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