Guangdong Yida Ventilation Equipment Co., LTD

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What should be considered when using 3C fire damper?
3C fire damper is one of the common products in our daily life. Its main purpose is to eliminate the fire risk. So what should we consider when using 3C fire da··· More 
How to equip the fan coil correctly
Many users don't know how to equip the fan coil correctly when buying it. The following small series will introduce it to you:First, the coil unit is mainly··· More 
Introduction to the principle and function of 280-degree smoke exhaust fire damper
The existence of smoke exhaust fire damper is to eliminate fire risk and prevent fire from happening. It is generally installed on the smoke exhaust pipeline of··· More 
The special fire damper for fire fighting plays the role of smoke isolation and fire resistance.
The 70-degree fire damper is also suitable for occasions where ventilation and air conditioning pipes are installed on the ceiling and cannot be manually reset.··· More 
Understand the classification, function and working principle of air valve.
Air volume control valve is an indispensable central air-conditioning terminal fitting in ventilation, air conditioning and air purification engineering of indu··· More 
Air volume control valve's working principle
1. Main structural features:The frame is made of 2mm galvanized steel plate and welded after cold rolling. The blade is made of 1.0mm galvanized steel plate by ··· More 

Working principle of 3C fire damper
When the temperature of the gas transported in the pipeline reaches the melting temperature of the fusible metal sheet, the fusible sheet melts, and the compres··· More 
Working principle of residual pressure valve
Working principle of residual pressure valve:Install the residual pressure valve on the wall, and when the indoor pressure exceeds the set pressure, it will aut··· More 
Working principle of smoke exhaust fire damper
Fire damper-principle:Installed in the air duct system of central air conditioning, its working principle is to close the valve by the action of gravity and spr··· More 
Explain that 3C smoke exhaust fire damper can be useful to avoid fire extension
3C The smoke exhaust fire damper is normally closed. When a fire accident occurs, the smoke alarm performs the electromagnetic coil posture in the regulatory ag··· More 
Structure and application of fire damper
Fire dampers are widely used at present, so let's talk about the structure and use of fire dampers today, hoping to help you when choosing.In the air duct o··· More 
Difference between fire damper and smoke exhaust fire damper
Smoke exhaust fire damper is a fire-fighting component, which will be opened to exhaust smoke in case of fire. It is made of galvanized sheet, carbon steel or s··· More 

Basic knowledge and specification of fire valve
Fire damper: It is installed on the air supply and return ducts of ventilation and air conditioning systems, and it is usually open. When the temperature of gas··· More 
Working principle of check valve
The working principle of check valve is that the disc opens under the action of fluid pressure flowing in one direction. When the fluid flows in the opposite di··· More 
What are the precautions for the installation of smoke exhaust fire damper?
1. Smoke exhaust fire damper can be interlocked with ventilator and smoke exhaust fan.2. The operating mechanism side of the valve should have a clear space of ··· More 
What are the error checking requirements for 3c smoke exhaust fire damper?
The function of 3c smoke exhaust fire damper is that when the smoke temperature reaches 280℃, people have basically evacuated, and at this time, the smoke has ··· More 
What are the precautions for installation of fire dampers?
Everyone knows the importance of fire dampers, so how can the installation of fire dampers be divided into positive and negative? What are the precautions for t··· More 
What are the applications of smoke exhaust fire dampers in life?
I believe everyone is familiar with the smoke exhaust fire damper. Its appearance has been favored by a wide range of people. Do you know what applications it h··· More 