Product Name: Poultry /Chicken House/Greenhouse/Industrial Big Airflow Ventilation Exhaust Fan with Ce Model NO.: DJF(a) Certification: ISO, CE, CCC Mounting: Wall Fan Electric Current Type: AC Type: Axial Fan Blade Material: Stainless Steel Material: Galvanized Steel Power: 0.37kw/0.55kw/0.75kw/1.1kw Outer Size: 1380mm/1100mm/1000mm/750mm etc. Frequency: 50/60Hz Votage: 380/220V/Customized Air Flow: 10600m3/H--44000m3/H Motor Rotational Speed: 960rpm--1400rpm Blades Rotational Speed: 1400rpm--325rpm Drive Type: Motor Direct / Belt Zinc Coated Thickness: 275g/Sqm Trademark: Yuyun Sanhe Transport Package: Standard Export Paper Carton Specification: International Standard Origin: China(Mainland) HS Code: 8414809090 Product Description DJF(a) Series Swung Drop Hammer Exhaust Fan Product Application:DJF(a) Series Swung Drop Hammer Exhaust fan are widely used in Agriculture and industry ventilation and cooling. It is mainly used for animalhusbandry, poultry house, livestock breeding, greenhouse, factory workshop, textile etc.Technical Parameter:ModelDriveBlades Diameter(mm)Blades Rotational SpeedMotor Rotational SpeedAir Flow(m³/h)Noise Decibels(db)Input Power(W)Voltage (V)Frequency(HZ)Outline Size(H*W*T) (mm)DJF(a)-620Direct5001400rpm1400rpm5700 ≤70370220 / 380/ Customized 50 / 60620*620*450DJF(a)-750Direct600960rpm960rpm10600 ≤70370750*750*450DJF(a)-780Direct710960rpm960rpm23000 ≤70750780*780*420DJF(a)-780-2Belt710650rpm1400rpm18000 ≤65370780*780*400DJF(a)-830Belt720660rpm1400rpm20000 ≤65370830*830*400DJF(a)-900Belt750630rpm1400rpm22000 ≤65750900*900*400DJF(a)-1000Belt900610rpm1400rpm25000 ≤657501000*1000*400DJF(a)-1060Belt960600rpm1400rpm29000 ≤657501060*1060*400DJF(a)-1100Belt1000600rpm1400rpm32500 ≤647501100*1100*400DJF(a)-1220Belt1100460rpm1400rpm38000 ≤647501220*1220*400DJF(a)-1380Belt1270439rpm1400rpm44000 ≤6411001380*1380*400DJF(a)-1530Belt1400325rpm1400rpm55800 ≤6415001530*1530*400Product Description:Fan blades1. Material : Krupp 430 stainless steel, thickness 1.2mm2. Diameter: 1270mmAdvantage:Large air flow, no deformation, no fracture, no dust, attractive and durable.Note:Blade material also have galvanized sheet, aluminum alloy for optionBelt Pulley1. Material: High strength aluminum-magnesium alloy by die-casting.2. Blast-sanding treatment, eliminate internal stress to improve its own rigidity and stabilityAdvantage: Light weight, Low vibration ,attractive appearance.Bearingimported double-row bearing with special waterproof design.Advantage: High strength, low noise, free maintenance and long service life.Opening System1.Material: High quality Nylon PA662.Guide Rod: 304 stainless steel with special material outside, high strength, no rust, reduce friction.3.Rivet: 304 stainless steel , wear-resisting, no rust.Advantage:It can keep the shutters open at complete 90 degree to ensure the lowest air resistantce and biggest air volume.BeltBrand: Mitsuboshi belt (Japanese)Type: A typeAdvantage: Famous brand, Long service life, maintenance freeBlade Support base1.Material: Aluminum Magnesium Alloy.2. Type: Plug-in connectionAdvantage: Compare with the traditional welding connection , Our new type Aluminum magnesium alloy base has greatly reduced the friction coefficient, fixed more firmly, avoidedMotor1. Brand: Chinese famous motor, Siemens motor, ABB motor and WEG motor2. Motor Protection Grade: IP553. Isulation Class: F gradeAdvantage:Motor voltage and frequency can be customized.Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which would power off when shortage of electricity. about our CompanyShandong Yuyun Sanhe Machinery Co.,Ltd is the biggest and the most professional manufacturer of ventilation equipment inChina,equipped with the most advanced CNC production lines and laser cutting machines, top quality level in the industry.