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艾特负压风扇-F系列(玻璃钢) 的主要优点 1. FRP玻璃钢材质,具有耐腐蚀、抗酸碱的特性,同时大降低了金属的共鸣,延长使用寿命; 2. 机翼式设计铝铸风叶,其排风功效比冲压成型的铁制风叶高出许多; 3. 配备高性能PK多V皮带,避免运转时滑落及噪音问题; 4. 铸铝风叶与玻璃钢外框提供终身保修; 5. 每小时用0.75~1度电,排风量为40000~45000M3,排风性能是 经权威的美国空气运动和控制协会(AMCA)测试鉴定; 6. 完全密封型高效率的电机能适用各种场所; 7. 烤漆保护网更耐用且易于清洁; 8. 独有新型马达/轴承支撑将空气阻力降低到最低,还提供4方位的牢固支撑。 1. made of FRP, corrosion-resistant and anti-acid&, avoid the resonance, extend life span; 2. Cast-aluminum blade, airfoil design propellers tip move more air than stamped steel blades. 3. with high-performance V style PK-belts, avoid slippage and noise problem. 4. Lifetime warranty on propeller and housing. 5. 0.75 ~ 1 power, fan output is 40000~450000 M3 Certified CFM/Watt air performance ratings authorized by Air Movement and Control Association (AMCA) in USA. 6. High-efficiency capacitor-start/capacitor-run motors are totally enclosed for protection from the environment. 7. Powder coated guards are durable and easy to clean. 8. Exclusive motor/bearing supports are streamlined for minimal air resistance while providing solid 4-way support;