Brief Instroduction: QOMA/CT-1380 exhaust cone fan has been especially designed to fulfill that demand( tunnel-ventilated houses are growing in size and complexity). So the SHM Exhaust Cone Fan is more powerful, reliable and energy-efficient exhaust fans. It is the ideal fan for high airflow capacity at high static pressure, and low energy consumption. 1. The specification of New Style Poultry Exhaust Fan The frame of Exhaust Fan: Hot galvanized sheet frame Sheet thickness: 1mm(left and right is 0.8mm) Zink thickness is 275G/M2 Fan blades: Stainless steel Fan blades No: 3 Fan Blade RPM: 550r/min Fan blade Thickness: 2.00mm Fan motor: Simens motor or china motor Protection grade: IP55 Insulation class: F Technical data: 1.1kw , 380V, 50Hz, RPM is 1440r/min Fan belts: Japanese Mitsubishi brand Fan Heavy hammer: Using high strength nylon pendulum opning device, shutters opning and colsing flexible stabilizaiton. Fan shutter: High strength hot-galvanized steel sheet, The middle shutter thickness is 0.4mm, Free maintenance: The whole use period is all free maintenance Performance: Cooling pad used together with better effect, it is used for Longitudinal ventilation