(DJF -e) Series Double-Door Cone Fan (Butterfly Cone Fan)

DJF(e) series Double-door Cone Fan(Butterfly Cone Fan)

Φ Features as per following:
1. Using advanced front double door opening device, small wind resistance, good sealing, high efficiency, lengthened cone design improve exhaust power.2. Fan double doors closed with the rubber sealing which effectively avoid air backflow when start fans at different time. Greatly improve the operation efficiency by 15-20% compared with the same power fan.3. Sanhe fan blade is special designed for top grade efficiency which made of Krupp stainless steel by punch forming. Large air volume, no deformation, no broken, no dust, attractive and durable. Thickness 1.2mm, surface finish BA grade.4. Fan blades are adjusted by intelligent dynamic-balance tester, ensure the fan smooth running, lower vibration, less noise, increase stability.5. The first adopt Type B belt which 3times longer service life instead of type A.6. The sole manufacturer which adopt Hot-DIP galvanized blade support and safe net, toensure never rust in the future use, adopt high grade standard accessories, not rust7. Complete new CNC production line improved fan quality up to top grade, aesthetic appearance.Φ Detailed Introduction with rich words & pictures:
Φ Exhaust Fan Process Graph:

Model SpecificationBlade diameter mmBlade speed
rpm
Motor speed
rpm
Air flow
M³ /H
Pressure Pa
Noise Decibels
importPower W
Rated voltageV
High
mm
Width
mmThick
mm DJF(e)-900 (35" ) 750 6301400 2400065 < = 65370 380900900930 DJF(e)-1100 (43" ) 1000 600 1400 36000 70 < = 65 750 380 1100 1100 1150 DJF(e)-1220 (48' ) 1100 460 1400 41000 73 < = 65 750 380 122012201200 DJF(e)-1380 (54" ) 1250439 140051020 80< =65 1100380 138013801300