We hope that through the success of refrigerator condenser fan, EC/DC Centrifugal Fan, energy efficient motors, our company can continue to advance until it becomes an industry leader. Our company has won the recognition of the society with its good corporate image and predictable growth and robustness. We focus on users' needs, collaborate on sound operations and achieve win-win situation for all parties.
Single Inlet Forward Centrifugal fans and blowers are compact units that can be used to either pressurize or evacuate in air moving applications. The impellers are permanently mounted to the external rotors for ease of installation and maintenance-free operation. These units may be mounted in any orientation to provide maximum airflow in minimum areas.
Forward centrifugal blowers always require scroll housing, which is open on one side. The characteristic features of this product series are high efficiency, a low noise level, relatively small air flow with a high increase in static pressure, robust design and space-saving application.
The diameter of Impeller | 180mm | |
Material | Housing | galvanized sheet steel |
Impeller | galvanized sheet steel | |
Rotor | Coated in black plastic | |
Direction of rotation | Clockwise, seen on rotor | |
Counter-Clockwise, seen on rotor | ||
Type of protection | IP54 | |
Insulation class | Class B or Class F | |
Mounting position | Shaft horizontal or rotor on bottom; rotor on top on request(Any) | |
Condensate discharges | Rotor-side | |
Approvals | CE, CCC,UL and so on | |
Mode of operation | Continuous operation(S1) | |
Bearings | Maintenance- free ball bearings | |
Motor protection | TOP wired internally | |
Cable exit | variable, lateral | |
Ambient temperature | -20℃ to 60℃ | |
Performance parameters
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFF4E180L | 230 | 50/60 | 0.54/0.68 | 125/155 | 1140/1130 | 720/714 | 4 | 66/68 | ①② |
YWFF4E180H | 115 | 60 | 1.8 | 210 | 1550 | 890 | 16 | 70 | ③ |


Product feature and application
(1) Product feature:
●Compact structure
●Specialized design
●Refined process control
●Simple Installation
●High efficiency and low noise
●Long service life
(2)Application
●Condenser
●Evaporator
●Pipe fan
●Roof ventilator
●Heat dissipation and ventilation
Illustration of Models
YWF—F—2—E—200
① ② ③ ④ ⑤
①YWF: External Rotor Centrifugal Fan
②F: Forward
B: Backward
D: Double Inlet
③(2,4,6):Pole of Motor
④E: Single Phase Capacitor Operation
D: Three Phases Asynchronous Operation
⑤200: The Diameter of inlet
FAQ
(1)Q: Are you a manufacture factory?
A: Yes,we are one of the leading manufacturers of fans and motors in China since 1980, Our factory occupied area of 26000square meters, located in Yinzhou district, Ningbo. We have more than 300 employees.
(2)Q: Which product certification do you have?
A: Our products are approved VDE certificate, UL certificate, CE certificate, ROHS certificate, CCC certificate, SASO certificate and so on.
(3)Q: How about our company's quality control system??
A: We have gotten IS09001:2008 certificate(SGS)
(4)Q: How long is the warranty of your products
A:One year after ETD
(5)Q:What kind of trade terms and payment terms?
A: Trade terms: EXW, FOB
B: Payment terms: T/T, L/C
We uphold the entrepreneurial spirit of respect, dedication, innovation and high efficiency, and from small to large, we have rapidly developed into a leader in China's comprehensive Powerful Garden Tools 3 in 1 Functions Electric Garden Blower Vacuum Garden Leaf Blower (EVB017) industry. We are always study advanced technology and productive technology of the worlds level to raise our company's kernelled competition. Our development is inseparable from the efforts and struggles of each employee, respect for individual capabilities is the basis of corporate culture, but also the cornerstone of our company's success.
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