Product Name: Exhaust Fan for Greenhouse Model NO.: yuge Certification: CSA, RoHS, UR, ISO, UL, CE, CCC Mounting: Free Standing Electric Current Type: DC Type: Exhaust Fan Blade Material: Stainless Steel Material: Aluminum Fan Trademark: yuge Transport Package: Carton Box Specification: 11 Specifications Origin: Shandong, China HS Code: 8414809090 Product Description PRODUCT INTRODUCTION4 Inch Small Size Ventilation Exhaust Fan For Chicken House can distribute fresh airevenly in the shed and ensure the long service life.Fan framemade from highly galvanize steel sheets in order to assure highest strength and strong resistance to corrosion .Blade6pieces stainless steel blades and the fan has all passed the balance test with bigger air volume,without deformation,no breaking,attractive and durable.Belt PulleyThe V type belt pulley is made by aluminum magnesium alloy with injection mould ,light weight but high-strength .BearingFrance imported bearing, high intensity,low noise, long service life.Motorsdomestic motor and imported motor can be chosen,motor voltage and frequency can be customized.Domestic motor add lack of phase protection device.When the motor lack of phase,it will shut off the power.Drop hammerusing high strength nylon pendulum opening device ,which make shutters opening and closing flexible and stable.Belt tensionerusing the most advanced automatic belt tensioner to ensure working efficiency and good performance.FAQ1. Price items: EXW, FOB Qingdao, CFR or CIF2. Payment term: 30% T/T deposit in advance, the balance be paid againse the BL copy. Or 100% L/C at sight.Our Services1. Sample is available, it needs pay.2. The Galvaized Sheet frame, and the Stainless Steel frame is available Performance characteristicFan blade is made of Krupp stainless steel bu punch forming, no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken, keep air volume same all the way.Both Chinese famous motor, special design for fan, the first one put forward the phase lack protection device which could power off when shortage off electricity. Motor protection grade IP55, insulation Class: Grade 5.Fan belt pulley is made of high strength aluminum-magnesium alloy by die-casting which reduces the weight of blade impeller complete, high corrosion resistance. Special three reinforced ribs pulley design. Blast-sanding treatment for attractive appearance, eliminate internal stress to improve its own rigidity and stability, never broken.Fan bearing adopts imported double-row bearing with special waterproof design, water can't enter. High strength lower noise, maintenance free and long service life.Centrifugal system open the shutters at complete 90 degree to ensure the lowest air resistance and biggest air volume. When closed, the sealing can efficiently block light and wind into the poultry farm house. As the first one adopts high quality nylon 100% to ensure the long service life. The fasteners of centrifugal system all are copper rivets, wear-resisting and no rust, flexible. Guide rod is made of 304 stainless, ensuring the high strength, no rust, reduces frication. Any questions to ask,PIease call at+86-13573673894