Fire smoke exhaust fan is mainly used for industrial and civil construction and civil air defense projects, usually also be used for indoor ventilation. Motor with high temperature and a cooling air circulation system, long-term operation at 100 ℃ medium gas can be smoothly transported 280 ℃ smoke up to 40 minutes or more. Horizontal, vertical, cabinet, three types are available. When dual exhaust ventilation, optional two-speed motor, low speed ventilation, high speed exhaust. Francis fan using advanced three-dimensional flow model design, but also has a large flow axial fans and centrifugal fans high-pressure characteristics, small size, high efficiency, easy installation, saving space Francis positive pressure blower for each case of a pressurized pipeline ventilation. Oblique flow fan glass steel and steel are two, both centrifugal fans and axial fans high pressure coefficient flow coefficient characteristics of high efficient wide area, low energy efficiency, noise, can be directly connected in series in the pipeline ventilation, easy installation, saving space, no fan room paiyanfengjpaiyanfeng company specializing in the production of fire damper valve exhaust valve exhaust dampers axial fan Francis fan oblique flow fan fire temperature exhaust fan wind chassis positive pressure blower pressure leaf blower outlet pressure to send more air pressure delivery outlet fire equipment leafy exhaust port plate discharges new air unit new wind ventilators air conditioning accessories and other products air conditioning fire products, the "national fixed fire extinguishing and fire-resistant components of Quality Supervision, Inspection and testing center" test qualified in China Fire Network products, online technical force, advanced production equipment, detection means perfect, has its own fan, HVAC accessories professional production workshop and damper, smoke damper actuators professional production line roof pressurized blower, and professional equipment 120 (sets), professional and technical staff of 36 people positive pressure blower, the annual output value of over ten million yuan. The company for 10 years Bei industry and commerce administration departments as 'contract and keeping promises units', 'a member of fire protection products', 'AAA credit enterprises' and other fire fighting positive pressure blower, and passed the ISO9001: 2000 quality system certification. Company products are: fire damper, smoke damper actuators, temperature sensors, high-temperature exhaust axial fan, Francis fan, ramps flow fan, tunnel fans, induced fan, a variety of national standard centrifugal fan, axial fans , HVAC central air conditioners, fan coil air conditioners, air-conditioned terminal aluminum outlet, valves, large factories, power plants and high-strength aluminum alloy rare manual, electric rain blinds and other products sold throughout the country, enjoy a high reputation. Wherein the actuator, damper, smoke fire damper, high-temperature exhaust axial fans has adopted a national fixed fire extinguishing systems and fire-resistant component of Quality Supervision and Inspection Center, and online access to test results the company has always been implementing the 'quality first, the user oriented, customer-centric, continues to improve, 'the purpose, pay close attention to internal management, improve product quality. Company chairman and managing Fangchun Tang sincerely welcome friends and experts to visit and seek common development. swf positive pressure blower _ _ positive pressure blower where cheap huaiyuan positive pressure blower is provided by Shandong Air Conditioning Equipment Co. GREAT fan. 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.