Product Name: High Efficiency Cow House Hanging Ventilation Fans Cattle Fans Model NO.: DJF(b)-1 Certification: ISO, CE, CCC Mounting: Ceiling Fan Electric Current Type: AC Type: Axial Fan Blade Material: Stainless Steel Material: Galvanized Steel or Stainless Steel Power: 1.5kw/1.1kw/0.75kw/0.37kw Outer Size: 1530mm, 1380mm, 1220mm, 1100mm, 1000mm, 900mm Frequency: 50/60Hz Votage: 380/220V/Customized Air Flow: 28000m3/H--55800m3/H Motor Rotational Speed: 1400rpm Blades Rotational Speed: 630rpm--325rpm Drive Type: Belt Zinc Coated Thickness: 275g/Sqm Trademark: Yuyun Sanhe Transport Package: Standard Export Paper Carton Specification: International Standard Origin: China(Mainland) HS Code: 8414 Product Description DJF(b)-1 Series Hanging Exhaust Fan Product Application:DJF(b)-1Series Hanging exhaust fan is widely used in the cow house for ventilation and cooling.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(b)-1-900Belt750630rpm1400rpm28000 ≤65370220 / 380/ Customized 50 / 60900*900*420DJF(b)-1-1000Belt900610rpm1400rpm30000 ≤707501000*1000*420DJF(b)-1-1100Belt1000600rpm1400rpm32500 ≤707501100*1100*420DJF(b)-1-1220Belt1100460rpm1400rpm38000 ≤707501220*1220*420DJF(b)-1-1380Belt1270439rpm1400rpm44000 ≤7011001380*1380*420DJF(b)-1-1530Belt1400325rpm1400rpm55800 ≤7015001530*1530*420Product 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.Hanging RingsFour hanging rings are addedAdvantage:Convenient to install and adjust the angle to reach excellent performance.BeltBrand: Mitsuboshi belt (Japanese)Type: A typeAdvantage: Famous brand, Long service life, maintenance freeRound frameMaterial: Hot-dip galvanized sheet with zinc thickness of 275g/sqmAdvantage:Extremely improves the anti-corrosion performance.Motor1. 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.