Product Description
Brief Instroduction: Qoma/BT-1380 Butterfly exhaust fan has been especially designed to fulfill that demand( tunnel-ventilated houses are growing in size and complexity). So the Qoma/BT-1380 Butterfly exhaust fan is more powerful, reliable and energy-efficient exhaust fans. It is the ideal Exhaust fan for high airflow capacity at high static pressure, and low energy consumption.
1. The Techinical Datas of Qoma/BT-1380 Exhaust Fan
Fan frame: Hot galvanized sheet frame
Sheet thickness: 1mm(left and right is 0.8mm)
Zink thickness is 275G/M2
Fan blades: Hot galvanized sheet or Stainless steel
Fan blades No: 3
Fan Blade RPM: 550r/min
Fan blade Thickness:20mm
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
2.The Technical Paramenters:
3.The Dimensions: