China Factory Big Industrial Wall Electric Fan - China

Dawang fans Security grantee

1 - Steel wire rope protection: Connector and universal Beam are winded with 1000KG tension strength wire rope to prevent the whole fan from sliding and falling.

2 - Steel wire rope balance protection: Four wire ropes are fixed by balance principle and traction of the building to prevent the fan from shaking and falling under external force and airflow.

3 - Anti-falling safety ring: Safety ring connects the electric unit with wheel hub, forming fasten body to preventing the broken shaft from falling apart

4 - Anti-fall self - locking device: The patented output shaft tensioner device of reducer (inner cone design) forms self-locking in the case of bolt loosening to ensure the hub and output shaft are firmly fastened together.

5 - Integrated hub: The patented integrated wheel hub is embedded with 5 special-shaped fasteners, which can support exceed 11 tons of tension by government authority test

6 - Mortise and tennon petiole connection: The "convex" shape petiole and "concave" shape structure of the buffer device are locked with bolts.

Blade, petiole and chassis wheel form integral whole to avoid cutting force and prevent the blade from upwarp, falling and waggle

7 - Shock absorber: The middle part of blade and petiole is connected with shock absorber, The special rubber pad can decrease the vibration caused by blades rotation

8 - Blade high strength connection: Each blade is riveted to Shock absorber with 16 rivets, each rivet can load 1.5 tons shear force.

9 - Avionics anti-impact blade: Adopt 1.5mm thickness 5052 aero-grade aluminum plate, can loading more than 3 tension force, to ensure blade will not crack when hit by external forces during operation

10 - Abnormal alarm system: Control system is equipped with protection when over-voltage, overload and phase loss.

It will automatically alarm and stop work.

Dawang fans Configuration

1 - Motor: Custom manufacture motor, NORD German.

Low gear gap assembly process, gear grinding process, low noise, No vibration, free maintenance, more safety.

Get CCC, CE, UL certification

2 - Frequency Converter: Top Frequency Converter configuration, Schneider electric suit.

Safety protection module, automatically cut off when accident, protection grade IP55 - Passed UL, EMC, LVD, ROHS certification 3 - variable cross-section Streamlined blade: 1.5mm thick 5052 aero-grade 5 pieces aluminum plate are adopted, variable cross-section streamlined blades( equal string length theory of Aerodynamics).

Fan blade gradually narrows from root to tip and thins to the tail then widens, single blade weights is 7.7kg 4 - Wheel hub chassis: 7075 aero-grade aluminum material, after CNC machining, chassis precision tolerance controlled at 100μm to ensure balance.

5 - Main Frame: Q345 high strength steel structure laser cutting, after pickling and phosphating, coating thickness up to 80 ~ 100 microns, curing temperature is 190℃.

Surface hardness has no scratch by 2H pencil test, up to GB6739-86 standard

6 - mortise and tenon connection: Fully mortise and tenon connection, ensure the overall fan safety

Jiangsu Dawang Ventilation Machinery Co.,Ltd

Add: No.

9,furong 3 road,xishan development district,wuxi,china

Tel: 86-510-83767080 FAX: 86-510-83767080

M.

P: 00 86 189 2150 0189 Email: lynn@dawangfans.

com

www.

dawangfans.

com

please visit our website to our company website: www.

dawangfans.

co m

Company Contact:

• Posted By: Jiangsu dawang ventilation machinery co.,ltd

• Phone: 008618921500189

• Address: No.22,Yanjin Road,Huishan District,Wuxi,China, wuxi , jiangsu , China

• Email:

• Website: https://www.dawangfanschina.com

• Business Description: industrial ceiling fan,large industrial fan,big fan,24ft industrial ceiling fan,20ft industrial ceiling fan,16ft industrial ceiling fan,12ft industrial ceiling fan,10ft industrial ceiling fan,8ft industrial ceiling fan