Roof fan FRP roof fan model Heng Hing air conditioning

1, basic roof fans shall be installed above the roof surface should be smooth to prevent leakage of water seepage, and shall be well embedded anchor bolts. 2, padded base layer between the fan base and 5mm rubber sheet, to reduce vibration, anchor bolts should be equipped with spring washers to prevent the use of loosening. 3, roof fan outlet diameter can only larger, not smaller, the last outlet to install insect nets, to be increased when the rain cap bias on the wind; in case of winter snow, freezing date, must often start, to prevent Snow blower outlet blockage. 4, roof fan and duct using a hose (flexible material without combustion) connection length less than 200mm, import and export of the same caliber and size roof fan. To ensure the hose during operation of the system does not appear distorted, should be installed with appropriate strain relief. For the suction side of the fan mounted on the roof of canvas hose, install a little more tight, to prevent the roof fan operation is sucked reduce the hose cross-sectional dimensions of the canvas. There are all kinds of high and low pressure centrifugal fans, Wall fans, heaters, all kinds of axial fans, fan parts, dust, smoke purification equipment. Products meet national standards, performance, reliability, ease of use, wide range of applications. I plant with good product quality, timely delivery speed, sincere attitude, won the majority of users of all ages, our services aim of "quality of survival, integrity and development" in good faith to provide customers with good products and quality of service. WT35 / 40 a 11 roof axial fan suitable for power plants, petrochemical, textile, factories, warehouses, stadiums and ventilation of various buildings. The fan with a special diversion channel and for general ventilation of low pressure high flow impeller, compared with the same fans at home and abroad, low energy consumption, low noise.