Ventilation is to prevent accidents resulting in greater damage to persons or property in a large number of harmful gases when the production equipment workshop fortuitous accident or malfunction occurs, may suddenly diffuse or explosive gases and set the exhaust system. Roof ventilation applications necessary measures to ensure that key safety and security of workers in the life of production safety accident Ventilation. Ventilation is to prevent accidents in the workshop production equipment occurs when a fortuitous accident or malfunction, Liaocheng without power fan, a large number of possible sudden emission of harmful gases or explosive gases causing greater damage to persons or property provided the exhaust system. Roof ventilation applications necessary measures to ensure that key safety and security of workers in the life of production safety accident Ventilation. Without power fan turbine fan works is the use of wind power and the indoor and outdoor temperature difference caused by natural air convection, rotation of the turbine in order to promote the use of centrifugal force and negative effects of the indoor stale hot air out. Roof fan is the use of natural wind and indoor and outdoor temperature difference caused by air convection, rotation of the turbine in order to promote the use of centrifugal force and negative effects of the indoor stale hot air out. In general, roof fan at room temperature will be some high temperature conditions runtime, Henan without power fan, but are within the normal range, without power fan assembly drawing, which is due to friction between the parts of the machine itself, produce heat cause high body temperature, but not all over-temperature condition is normal. Without power fan Which is good, Flextronics ventilators (online consultation), Henan without power fan ventilation equipment from the Flextronics Liaocheng Limited. Liaocheng Flextronics ventilation equipment (www.lcwctf.com) (www.lcwctf.com) is an industry leader in Shandong Liaocheng, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Flextronics ventilation in leadership with the staff warmly welcome all inquiries negotiations to create Flextronics ventilation a better future.