TEL: 15,153,400,116; the 0534-2550811 F4-72 chemical preservative fan wide range of applications: F4-72 FRP centrifugal fan main material for polyester fiberglass, it has the air of good performance, light weight, high strength, corrosion resistance, aging is not easy , low noise, Fan Guang advantages apply to the carriage of certain concentrations of corrosive gas, also can be used for general factory and building ventilation, general carriage of the gas temperature is below 50 degrees Celsius. Selection of high temperature (120 degrees Celsius)-type high temperature fiberglass FRP centrifugal fan and explosion-proof centrifugal fan. Safety performance: manufactured by the fan in strict accordance with Q / (GZ) YH1-1996 standard provisions of the technology, process conditions, robust plastic body and metal bracket welded impeller precisely adjust the balance, greatly reduce the noise and vibration, maintenance cycle multiplied extended.