Guangzhou Augfu Environmental Science and Technology Co., Ltd. is located in Guangdong-Guangzhou, China. The factory covers an area of 7000 square meters and has more than 190 employees with more than 10 patents. It is a professional manufacturer devoted to research and development of ventilation and cooling environmental protection equipment for more than 10 years. It is also a leading manufacturer of industrial ceiling fans, commercial ceiling fans, air-tight rolling doors and evaporative air conditioners in China. This department is located in Nansha District of Guangzhou, close to Nansha Free Trade Area, with convenient transportation. It's 10 minutes from Guangzhou South Railway Station.
HVLS (High Volume Low Speed) is the new solution of energy saving to solve the ventilating or cooling problem of large space. Ourlarge energy-saving ceiling fans comes with maximum diameter of 7.3meters, apply the HLVS principle and advanced technology manufacturing. Our HVLS Fans takes only 1.5 KW or less power to cover area of 1,450 meters square, which equivalent to the effectof 30 small fan. Our HVLS Fans has 10 year’s service life.
Revolutions Per Minute
Full load current
5-piece wing type simulation patent fan blade ；Fan diameter 7.3M ：Rotating speed 20-53RPM ；Maximum air volume 13000m³/min ； rated power 1.5KW ； Noise standard ：40dB Voltage 220V/380V
Germany Nord Coaxial helical gear reducer with larger frame number ； Shell Top Omala S4 Long life synthetic gear oil ； Automatic exhaust valve ；Original imported reinforced roller bearing
High performance fan blade
5-piece wing type simulation patent fan blade ； Unique aerodynamic leaf design ；Larger air volume 、 Higher air supply efficiency 、 Covering a wider area ； To prevent blade deformation ； Fluorocarbon coating and natural anodizing surface treatment ；Three sets of ribs inside the fan blade ；Avoid sagging and deformation of the fan blade
Fan blade clamp
External clip fan clip ； Forged from aviation aluminum ； The effective cross section of the blade clamp and the blade is more than 2 times that of the interpolation type. Thoroughly solve the problem of long-running metal fatigue leading to fan blade falling off
Single chassis adapter
Transfer disk 7075 Superhard alloy＋1600T High pressure precision forging+T6 Heat treatment proce＋ CNC machine tool processing＋ CNC Precision Machining Overall dynamic balance test ；40 years of reliable life ；Reliable by surface bonding and 18 bolts
Frequency conversion control system
Industry's top electrical configuration ； Denmark Danfoss frequency converter American Huo Wei Neil Set ；Built-in security module ； With ground fault ； Heat and short circuit protection Unexpected condition automatically cuts off the output EMC、CCC、CE Related certification 。 Protection level IP55
Unique frame design : High-strength structural steel through the surface PVDF Fluorocarbon spray treatment ; Make installation easier and more secure .
DIN933 Bolt standard ; 12.9 level ; DIN125A Lock self-locking nut ; 6mm Hot galvanized steel wire zipper ; Fan-wing L-shaped links make all the blades connected as a whole ; All components are certified by third-party testing companies ; Property insurance company underwriting ; Guarantee to be the best in safety.
Anti-skid groove design and split pin locknut completely prevent the steel beam clip device from falling off accidentally ; No need for punching and welding .
1. WHAT'S THE DELIVERY TIME? For common order, 3 days only
2. How long warranty for the fans? We provide 36 month warranty for the fans
3. Do you provide OEM Service? Yes. We do provide OEM Service