Noise is sound made up of vibrations of sound waves with different intensities and frequencies. Therefore, when the noise is too loud, it brings an unpleasant feeling to everything around. With a limited land fund, investors have to think of a soundproofing plan for their works. There many sound-absorbing materials in the market, but not all of them are effective. Reflecting on the sound … Xem thêm >>
Windshield insulation glass wool is a common factory insulation product, which has effect of absorbing radiant heat and preventing heat transfer, in addition to having the ability to insulate sound, reduce noise when it rains... They are made up of fiberglass, no asbestos chemicals, safe to use. So what is glass wool for duct insulation? What are the advantages and disadvantages? How about the … Xem thêm >>
Ventilation fans are widely used not only in industrial parks but also in the civil field. However, ventilation fans often cause very loud noise, so to ensure a sound environment and avoid noise pollution, soundproof ducts are the best choice. So what is duct sound absorption? How is it structured? What types of duct sound absorbers are popular on the market? Why should we use sound absorbers … Xem thêm >>
Duct insulation is one of the important stages in the construction and installation of cold ventilation piping systems for industrial cold storage and air conditioning systems, etc. the duct insulation process uses the method of external insulation for the duct system through layers adhesive glue. Combined with the external fixed wiring to create a shield for the cover. So how is the process of … Xem thêm >>
Air pressure relief valve is a product used with the main function to help prevent backflow of air. Adjusting the air pressure in the ductwork system of high-rise buildings, manufacturing plants, large-scale works... Pressure relief valves can be designed with round air valves, square air valves, rectangular air valve. So what is a pressure relief damper ? How does the pressure relief damper … Xem thêm >>
Currently, most large and small projects must have a safe fire protection system, the earth's temperature is getting higher and higher, as well as fire and explosion happening a lot. Therefore, in ventilation systems, we not only care about the operation and cooling modes, but we also have to pay attention to the fire protection and fire spread prevention systems. But how to install a … Xem thêm >>
The non-return damper is a device to protect the pipeline from stable operation. With the task of allowing air flow to pass in a certain direction and prevent the opposite direction. When installing the one-way air valve, it can be installed vertically or horizontally. But to ensure the valve operates stably, safely and effectively as desired, it must be installed correctly. In the previous … Xem thêm >>
Volume control damper is an indispensable device for manufacturing plants that want to control the flow of air, etc. The volume control damper is widely used thank to its control properties. The wing inside the valve will change the angles will be adjusted manually. VCD are usually applied to WC exhaust systems, fresh air supply systems. In addition, how to install the volume control valve is … Xem thêm >>
Considered as a product in the subcategory of square air valves. But they have very different design, role and structural characteristics compared to conventional wind valve products. The air flow at the outlet of the louver can be adjusted, a product that plays such s necessary role in the system was born. They are called mouth-blow flow valves or OBD valves for short. Many people wonder, what … Xem thêm >>
