Presumably everyone should know that how to make better use of the unlimited solar energy resources is the most important issue in our society today. Although China's current application of solar photovoltaic stent is also some, but from the quantitative point of view, it is still not universal. Most people know too little about solar photovoltaic stents. Now, let's share with you, what should we choose when choosing the material of the solar photovoltaic stent?
At present, China's commonly used solar photovoltaic stent system from the material points, there are three kinds of concrete stents, steel stents and aluminum alloy stents.
First, concrete supports are mainly used in large-scale photovoltaic power plants. Because they are self-contained, they can only be placed in the wild and have a good foundation. However, they have high stability and can support huge-sized panels.
Second, the steel bracket has stable performance, mature manufacturing process, high bearing capacity, easy installation, excellent anti-corrosion performance, beautiful and unique connection design, convenient and quick installation, and simple installation tools using steel and stainless steel components of structural anti-corrosion materials. Life is more than 20 years.
Third, aluminum alloy brackets are generally used in solar energy applications on the roof of civil buildings. Aluminum alloys are characterized by corrosion resistance, light weight, and attractive durability, but their low bearing capacity cannot be applied to solar power plant projects.
Industrial sectional doors are the most durable and longest lasting doors to ensure circulation at the areas of the factory entrance and exit of goods, loading and unloading areas.
The body of sectional door is forming by 40 mm sandwich panels. These panels provides sound and heat insulation due to the intense doped polyurethane insulation was injected between galvanized steel sheet. (50 kg/m3).
Industrial sectional door systems provide space-saving with opening parallel to the ceiling.Any opening can be used clearly . and produces in accordance with the transition range and the height in the factory buildings or warehouses.
Doors is working sliding by be the most appropriate the gap between the top level of the gate with a ceiling height within the side rasils. The door can be mounted in different ways according to the gap distance (standard, low, highlift and vertical track systems).
Industrial sectional doors can easily be opened automaticly by 230-380 V-AC/50 Hz electric motor or manualy thanks to torsion spring system that balances the weight of the door.The galvanized springs are made to be durable of 25.000 door cycles.Motor with emergency chain All the drive systems have a mechanical back-up system fitted to the reduction gearbox of the electric motor, so that the sectional door can be opened if the power fails. The reduction gearbox can then be powered using the chain.
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Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hongfadoor.com