HTFC fire ventilation dual tank-type centrifugal fan HTFC (A) type tank centrifugal fan (dual fire ventilation) Machine number: 9 # -30 # air volume: 1775-91820 / h Total pressure: 153-996pa Features: Motor outside position, air volume, low noise, high temperature performance, appearance, import and export in the form of multi-location, easy to install (lifting, sit installation can be) Application: hotels, restaurants, halls, theaters, basements, industrial enterprises, office buildings, etc. need fire smoke, kitchen hoods and ventilation occasions HTFC (B) type tank centrifugal fan (for ventilation) Machine number: 9 # -30 # air volume: 1775-91820 / h Total pressure: 153-996pa Features: Motor external, air volume, low noise, high temperature performance, appearance, import and export in the form of multi-location, easy to install (lifting, sit installation can be) Application: hotels, restaurants, halls, theaters, basements, industrial enterprises, offices fire smoke and other needs, kitchen hoods and ventilation occasions