Direct-coupled impeller and motor; total pressure efficiency up to 89.5%, noise reduced by 3.6 dB - stable and reliable performance.Ventilation and heat dissipation for industrial, warehouse, office, and residential premises.Suitable for non-flammable, non-corrosive,low-dust gases (ambient temperature <60℃).Corrosion-resistant (FT40-11) and explosion-proof (BT40-11) versions available upon request.

