2. Brief Introduction of Axial fan with external rotor motor YWF500
—The diameter of the fan blade:500 mm
—Material: Guard Grille: steel, phosphated and coated in black plastic
Wall ring: sheet steel, re-galvanised and coated in black plastic
blades: sheet steel
Rotor: coated in black plastic
—Number of blades: 5
—Direction of rotation: direction of air flow "V"Counter-clockwise, direction of air flow "A"clockwise seen on rotor
—Type of protection: IP54 or IP44
—Approvals: UL, CE, CCC approval
—Insulation class: B or F
—Mode of operation: Continuous operation (S1)
—Bearings: Maintenance- free ball bearings
—Motor protection:Design with thermal overload protector
—Cable exit: variable
3. performance parameters
|MODEL||VOLTAGE V||FREQUENCY Hz||CURRENT A||INPUT W||SPEED RPM||MAX AIR FLOW m³/h||CAPACITOR μF||NOISE dB(A)||CURVE|
4. shape and the size of installation
5. air volume and static pressure curve
6. Our competitive Advantages
A) Cost advantage
We have our own workshop, metal processing workshop and many other advanced machines. Key production parts are manufactured by ourselves.
B) Technological advantage
Our R&D center is provincial R&D Center. There are 4 Professor grade engineers and 6 senior engineers in our company.
C) Substantial experience and good service
We professionally produce motors and fans for more than 33 years. And we have done international trade for more than 10 years. So we can supply high quality products and services.
D) High cost performance
We have cost advantage, technological advantage and substantial experience. So our products have high cost performance. You can take the same cost purchase more better goods, or spend less for the same product.
7. Welcome to the world of motors and fans (Ningbo Lionball Ventilator Co., Ltd)
A) Have a glance at our Manufacturing facility
We have our own high speed punching machine, digital control machine, grinding machine, automatic coil winding machine, injection machine, and many other advanced equipments. Key production parts are manufactured by ourselves.
For more information, welcome to visit our company at any time
B) Advanced quality control equipments
We have passed the ISO9001-2000 Certificate and BV supplier assessment certificates. We give a 100% full inspection from the incoming materials to the final finished products. The air flow testing machine, power testing machine, impeller balance testing machine, salt spray chamber, projection apparatus...
8. Approvals and certificates
Our companies is a leading manufacturer of fans and motors in China since 1980, we specialize in the fans and motors for more than 33 years. The following certificates are our latest version, including UL approval in America VDE approval in Germany, CE and RoHS in Europe, CCC certificates in China. We also have obtained many other honorable titles, such as supplier assessments certificates, high-tech enterprise, research& technology center...
UL approval axial flow fan with external rotor motor for water chiller,freezer