At rated speed exhaust fan 1.1kw prices in the work area, the measured pressure curve with the description given in the fan curve should meet the following requirements: axial-flow exhaust fan at a predetermined flow rate, corresponding to pressure deviation of ± 5%. Centrifugal exhaust fan at a predetermined flow rate of 115-type exhaust fan how much pressure corresponding deviation of ± 5%. A sound level than the exhaust fan noise limits in the specification given operating point should meet the requirements under the JB / T8690-1998 of. Exhaust fan can be an ordinary or special steel centrifugal fan axial exhaust fan. Exhaust fan specifications according to "fire protection design of tall buildings" in the regulations. The minimum air volume exhaust fan 7200m / h, the maximum air flow should not exceed 60000m / h (refers to a smoke partition of maximum air volume) d. Daily review of the case can drip drip glib deformities, such as drops glib dirty removable mobilize screws and cleaned up. Atmosphere through filters examine whether the daily review of the atmosphere filters dirty. As dirty atmosphere removable filter, unscrew the butterfly screw mother, removed the lid, and cleaned filter sponge. (Unloading dirt filter careful not to fall into the fan inside the lead plane) to review the operation of the fan triangle with a period of time, the triangle zone will be expanded. Then pay close attention to the generator flow nut, mobile generators, triangle back for position and then tighten the nut tight flow generator housing, and pay attention to the generator pulley breeze machine pulley to be three-dimensional in the same end face on. At the same time reviewing the two screws at the top of the pulley can loose as loose Keep live. Daily review of safety valve sensitive situation, please clean up the swap as insensitive to guarantee reliable opening and closing. Daily review of whether the spill, local and repair of ventilation, such as useless repairs please tell manufacturers. Daily clearing fan room, maintain a clean, good ventilation. From time to time to review the functioning of the turbine and generators, as found the tone, when a measure is not abnormal to timely downtime. Features: Francis impeller hub, high temperature motor, motor fully enclosed built, and a special motor cooling system, excellent high temperature performance, high efficiency, low noise, reasonable structure, small size, easy installation, etc., installed on the level, vertical, lifting can be. Applications: building, drying room, underground garage, subways, tunnels and other fire sent smoke and exhaust ventilation, low speed for two-speed fan usually through ventilation, fire smoke at high speed for the Jingjiang City in the air-conditioning Equipment Co. central air terminal equipment and fire ventilation exhaust of professional equipment manufacturers, fire products designated units Hefei Huangshan fire fans, the main products are modular air conditioning units in Hefei, Huangshan fire fans, VAV cabinet air conditioning units, fan coil Hefei Huangshan Fire fans , fire dampers, exhaust valves, multi-leaf smoke vents, pressure delivery outlet, leafy exhaust port, positive pressure blower, fire temperature exhaust fan fire ventilation and other products, the Department of air conditioning all fire products through national fire detection Center qualified, you can check in China Fire product information online. Price concessions, the full range, now for many domestic manufacturers OEM OEM services, has maintained a good partnership in the country with more than 1,000 distribution services, good quality and good after-sales service, sincerely look forward to your cooperation. Bozhou fire fans _ _ Hefei offers free delivery proof provided by the Fire fans Shandong Fan Air Conditioning Equipment Co. GREAT. Shandong GREAT Fan Air Conditioning Equipment Co. (www.greatfengji.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. GREAT leadership in the staff warmly welcome all inquiries negotiations to create a better future GREAT.