a, the fan base of the required level, sturdy, and the ground level ≥200mm. b, the use of fan and duct hose (flexible material without combustion) connection length less than 200mm, import and export of the same diameter and fan size. To ensure the hose during operation of the system does not appear distorted, should be installed with appropriate strain relief. For fan mounted on the suction side of the canvas hose wind chassis, install a little more tight, to prevent fan operation is sucked reduce the hose cross-sectional dimensions of the canvas. Cabinet centrifugal wind chassis Model: HTFC-I, II HTFC series of energy-saving low-noise wind chassis is to introduce Japan's advanced technology, the company through absorption, digestion and improve the successful development of a dual-purpose (ventilation and fire) box type centrifugal fan with high efficiency, low noise, high temperature, high performance, the new structure, vibration, light weight, ease of installation and other fine features, is the high-rise building with two general-cum-fire smoke new products, is now the best-selling country. Fans in the form of fan Use Applications: for hotels, restaurants, halls, basements, industrial enterprises workshops, offices and other needs of fire and ventilation occasions, the Asia-Pacific wind chassis, the user can use different occasions and different options. When applied air requirements: internal gas was allowed to sticky substances contained in the dust hard plasmid is not greater than 50mg / m2. Temperature gas transportation: The high temperature test at a temperature higher than 280 ℃ under the high temperatures, the wind chassis installation, more than 40 minutes of continuous operation, exhaust air box, to achieve the purpose of fire smoke (this product by the National Fire inspection department detection at a temperature of 400 ℃, more than 80 minutes of continuous operation). Model Description: HTFC ------ represents energy-saving low-noise wind chassis A B ------ A B refers ventilation means for fire ⅠⅡ ------ Ⅰ expressed as a single-speed motor, Ⅱ indicates the motor No ------ dual speed fan model price _ Dingrui wind chassis air conditioning (certified) _ wind chassis provided by wucheng Dingrui Air Conditioning Equipment Co., Ltd. Wucheng Dingrui Air Conditioning Equipment Co., Ltd. (www.wcdrkt.com) (www.wcdrkt.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness , the maximum meet customer needs. In Dingrui air conditioning leadership with the staff warmly welcome all inquiries negotiations to create Dingrui air conditioning better future.