Fire-Rated Duct Materials EI45 – EI120: Classification & Applications In ventilation and air conditioning (HVAC) systems – especially in projects with strict fire protection requirements (PCCC) – the use of EI-rated fire-resistant ducts is mandatory according to regulations. These ducts not only ensure effective fire resistance and thermal insulation but also require specific materials corresponding …
What Is a Fire-Rated Duct? A Safety Solution for HVAC Systems In the design of ventilation and air conditioning (HVAC) systems, fire safety (PCCC) is a critical factor that cannot be overlooked – especially in high-rise buildings, shopping centers, and industrial facilities. Among these, fire-rated ducts play an essential role in preventing the spread of …
Gypsum Board-Clad Fire-Rated Duct – An Effective Solution for HVAC System Protection 1. What is a Gypsum Board – Clad Fire-Rated Duct? A gypsum board-clad fire-rated duct is a type of duct made from galvanized steel or stainless steel, externally covered with specialized fire-resistant gypsum boards to enhance heat resistance and prevent fire spread through …
SMD Board Fire-Rated Duct – A Premium Solution for Modern Construction 1. What is an SMD Board Fire-Rated Duct? An SMD board fire-rated duct is a type of ductwork protected by SMD fire-resistant panels (Silicate Magnesium Board) – an inorganic material with extremely high heat resistance and non-combustible properties. This is a premium solution that …
OPERATING PRINCIPLE OF A MANUAL AIR DAMPER 1. Overview of the Operating Principle A manual air damper operates by adjusting the angle of its blades to control the airflow passing through it. When the position of the handle (lever) is changed, the blades rotate accordingly, thereby altering the cross-sectional area of the airflow. 2. Detailed …
WHAT IS A MANUAL AIR DAMPER? STRUCTURE, TYPES & APPLICATIONS 1. What is a Manual Air Damper? A manual air damper is a mechanical device used to regulate airflow in HVAC (Heating, Ventilation, and Air Conditioning) systems.Users can open, close, or adjust the airflow through a manual lever or handle. This device is typically installed …
Duct Elevation Adjustment – Importance in HVAC Systems In HVAC system design and installation, duct elevation adjustment is an important technical aspect that is often overlooked. Proper execution not only ensures system performance but also optimizes space and avoids conflicts with other building systems. 1. What Is Duct Elevation Adjustment? Duct elevation adjustment refers to …
Standard Sheet Metal Thickness for Air Duct Manufacturing – How to Choose the Right One In the M&E (Mechanical & Electrical) field, especially in HVAC systems, the sheet metal thickness used for air duct manufacturing is a critical factor that directly affects durability, performance, and project cost. Choosing the right thickness not only ensures stable …
Insulated Flexible Air Duct 1. What Is an Insulated Flexible Air Duct? An insulated flexible air duct is a type of duct that includes an additional insulation layer, designed to reduce heat loss and prevent condensation in HVAC systems. It is commonly used in air conditioning systems, especially for cold air supply ducts. 2. Structure …
Flexible Air Duct Manufacturing Process (Detailed A-Z Guide) 1. What is a Flexible Air Duct? A flexible air duct is a type of air conduit with a flexible structure that is easy to bend, commonly used in HVAC systems for air supply, exhaust, or ventilation. There are two main types of products: Insulated flexible air …
