Galvanized fan features: Frame: galvanized steel, advanced processing technology, high accuracy, attractive appearance and corrosion resistance. Motor: special design and manufacture of aluminum housing motor, light weight, little vibration, low noise, also has a waterproof, dustproof, corrosion resistant, energy saving, high performance, high efficiency and long life; can operate in adverse circumstances, while ensure maximum efficiency. Fan blade: six stainless steel twisted stamping molding, no distortion, no breaking, beautiful apperance and durable; the reasonable design for blade angle, has the maximum air flow and low noise; high strength and toughness. Shutter: automatically open and close, windproof, dustproof, rainproof and nice design. Belt: the import v-belt, has high strength, toughness and long service life. Model Prop.Dia (mm) Motor/porp rpm Cmh Motor kw Volt. Freq.(hz) Sound(dba) Weight(kg) Dimensions(mm) Container capacity 20 / 40gp / 40hq Hg1380 1250 1450/450 44500 1.1kw 380/220v 50 72 80 1380*1380*400 24 / 49 / 65 Hg1220 1110 1450/480 37000 0.75kw 380/220v 50 65 60 1220*1220*400 29 / 64 / 92 Hg1060 950 1450/500 32000 0.55kw 380/220v 50 60 55 1060*1060*400 40 / 82 / 114 Hg900 790 1450/520 28000 0.37kw 380/220v 50 55 50 900*900*400 60 / 124 / 172 Hg740 580 1400 8000 0.50kw 380/220v 50 65 30 740*740*300 106 / 225 / 321. 1380x1380x400mm, 80kg/piece.