Swung Drop Heavy Hammer Ventilation Exhaust Fan Air Cooling Fan for Greenhouse/Poultry House/Workshop/Industry/Warehouse/Poultry Farm/Livestock Breeding

                          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:Model Drive Blades Diameter(mm)Blades Rotational Speed Motor Rotational Speed Air 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 : 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 option  Belt 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 free Blade 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, avoided 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. /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1