In large buildings, in order to achieve good ventilation, some ventilation measures are usually taken. In addition to HVAC electrical equipment, some ventilation ducts are usually added to achieve the function of ventilation. We achieve it through Dongguan spiral duct , so spiral duct has been widely used.
Although the spiral duct has many advantages, it is mostly exposed to the outdoors, so it will be exposed to wind and rain, and sunlight. These factors will erode or corrode the spiral duct, so it is required to have anticorrosive performance. The resulting products are galvanized spiral duct, stainless steel spiral duct and composite spiral duct. These three ducts have corrosion resistance.
The role of the Dongguan spiral duct , in addition to the ventilation mentioned above, can also be used for exhaust, or used to transport some lightweight materials such as foam plastic.
For stainless steel welded pipes, it is another area. Let's talk about this in the following.
When the stainless steel welded pipe is assembled, it can be completed by welding. This method has low cost and high adjustability and adaptability, so many people are using it.
Welding technology for stainless steel welded pipes is not new. It appeared more than 3000 years ago, but it is now more mature and perfect. It is welded by welding or joining together by heat or pressure, or both. It can realize the bonding between atoms in stainless steel and achieve permanent connection. In the welding process, welding wire is generally used. The requirements of the old welding wire are to be consistent with the composition of stainless steel, which can ensure the overall consistency, and the flux uses a less oxidizing melting or sintering flux to avoid damaging the alloy elements. .