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Straight Vanes 600/700/900
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Natural ventilation

Natural ventilator is a ventilating device that is driven by natural horizontal wind and vertical air flow formed by the temperature difference between indoor and outdoor. The scientifically designed blade can push it to rotate even with the breeze. When the turbine head rotates, it generates centrifugal force, which extracts hot air, smoke, humid gases and other exhaust gases in the space below the turbine head. As the exhaust gas is drawn out, a negative pressure zone is formed under the turbine head. Fresh air from the outside will flow into the negative pressure zone from the windows and doors, and the turbine head continuously rotates to achieve the purpose of ventilation, exhaust, and exhaust.

Tianrui company has 150/200/250/300/500/600 / Jufeng 600 // Jufeng 700 / Jufeng 900 and other models of natural ventilator. Among them, high-quality fluorocarbon-coated aluminum alloy and high-quality 304 / 2B stainless steel ventilator have become Tianrui's signature products and enjoy a worldwide reputation!



Working Principle of Natural Roof Ventilator

Time of issue:2019-11-08 00:00:00
  Introduction to Bernoulli's Law:
  The sum of the static pressure and dynamic pressure of a fluid is a constant. That is, the pressure is lower where the fluid flow rate is larger, whereas the pressure is higher where the fluid flow rate is smaller.
  Safety, high efficiency, low noise, energy saving, and environmental protection have extremely high cost performance, guaranteeing the long-term interests of users. It is an ideal ventilation equipment for industrial plants, logistics warehouses, commercial and civil buildings, and maintains indoor air circulation Inspire and improve people's work efficiency.

Product Number


TOPRISE Straight Vanes Natural Ventilator

In 2012, Tianrui launched a giant wind type ventilator for the world, with a large 900mm throat size, huge wind displacement, and scientific and reasonable structural design. It uses a vertical blade design to maximize horizontal wind drive, accelerate the turbine head speed, and obtain huge The siphon force makes the exhaust air volume larger, and the smoke exhausting capacity is super strong. It can selectively replace the smoke exhaust sunroof. The relatively small number of uses reduces costs while protecting against rain and dust. Variable angle pipe diameter design can be used for multi-angle roofing, easy to install. Lightweight aluminum alloy material, light weight, can run freely even at low wind speeds, stronger anti-corrosion performance. Japan's Asahi stainless steel non-lubricating bearings, longer service life. Mainly used in industrial and commercial premises. Effectively reduce indoor temperature, reduce indoor foul gas, and provide a good working environment. Special note: In order to meet the needs of customers in some cold regions, Tianruite has developed an open and close giant wind 900 model to effectively achieve warmth and ventilation.
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Performance of Natural Ventilator

Time of issue:2019-11-08 00:00:00
Ventilator international trade
country usage amount country usage amount
India 16000 units Morocco 648 cars
Australia 5500 cars Nigeria 800 cars
Indonesia 4600 units Malaysia 530 cars
South Africa 6200 units Pakistan 432 cars
new Zealand 500 units Thailand 360 units
Russia 1500 units United Arab Emirates 435
Ventilator international trade
Saudi 660 cars Canada 560 units
Czech Republic 200 units Congo 140 cars
Dubai 440 Kenya 280
United States 24000 units Brazil 12000 units
Qatar   Denmark  
Mexico   Norway  
Philippines   Singapore  
Shanghai TR Steel Building Products Co.,Ltd

Headquarter:Room 1508, Tower A4, No. 78, No. 1688, North Guoquan Road, Shanghai.

Factory: No. 2, Binyang Road, Taicang Port Economic Development Zone, Jiangsu

Tel:021-66580701   /   66580706 

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