■风机概述  FB系列防爆摇头风扇其防爆性能符合GB3836.1《爆炸性环境用防爆电气设备通用要求》和GB3836.2《爆炸性环境用防爆电气设备隔爆型电气设备“d”》的规定，制成隔爆型，防爆标志为dⅡBT4，其防爆性能经的防爆电气产品质量监督检验单位全面测试合格，取得了防爆合格证。 本产品具有防爆性能好、结构合理、运行平稳、使用方便、外形美观等优点。风叶采用高强度铝合金制成。适用于工厂内含有级别为ⅡA、ⅡB级，温度组另为T1-T4组的可燃性气体与空气形成的爆炸性气体混合物，划分区域为1去、2区的场所如：石油、*、化工、机械、医药、冶金等行业的车间、仓库、办公室、加油站等处的防爆降温。

  ■风机主要技术参数  型号 风叶直径（mm） 风量 （m³∕h） 功率（W） 电压（V）   FB-40040085250220/380 FB-500500110370220/380 FB-600600160450220/380 FB-750750300450220/380   

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Yueqing proof Electric CO,.Ltd,shen. is a research and development, manufacturing, sales and service as one of the high-tech enterprise, strong technical force, advanced CAD-aided design system, advanced professional machining centers, precision sound detection equipment. Our main products are: Fan series; explosion-proof electrical series; explosion distribution box series; proof lamps series; mine lamp series; explosion-proof series; explosion accessories; proof pipe series; by domestic and foreign majority of users.     Strong technical force, advanced production equipment, perfect quality assurance department, enterprise-managed institutions to establish a modern enterprise system, there is a comprehensive network of information management. In 1998, the domestic industry with company ISO9001: 1994 quality system certification in 2001, version of the certification results, and through ISO9001: 2000 international quality management system to provide customers a full range of high quality pre-sales, after-sales service.     The company has won nearly 200 explosion-proof certification certificates and other related products, superior performance, sold widely used in aerospace, military, petrochemical, coal, shipbuilding, brewing, pharmaceutical, textile, for the food industry, etc., not only almost one-third of one-third of the domestic market share, but also exported to the United States, Vietnam, Indonesia, Sudan, and other countries and regions.    Company to market as the guide, and actively develop our own inlectual property rights, new varieties of high technology, product direction of the defect trend. In the company of "creating first-class products, first-class brand", the face of the challenges of globalization, science and technology as the driving force to lead the industry trend, adhere to international, technological, industrial development direction, and create new brilliance fan industry!