Our company's development so far depends on the continuous innovation of technology, the continuous updating of inline duct booster fan6 inch inline fan, duct fan silent, shaded pole gear motor and the more enthusiastic service, which has won the trust and support of Haitong products from our customers. Management idea refers to the idea of guiding the production and operation activities of an enterprise according to what kind of business ideas, values, codes of conduct, etc. The president and all the company members would like to provide professional products and services for customers and sincerely welcome and cooperate with all native and foreign customers for a bright future.
The diameter of Impeller | 120mm | |
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℃ | |
Advantage | YWF series centrifugal fan with external motor has features of compact structure,convenient installation, credible running, little noise, energy saving and high efficiency. | |
Performance parameters
| Model | Voltage | Frequency | Current | Input Power | Speed | Max Air Flow | Capacitor | Noise | Curve |
YWFF2E120 | 230 | 50 | 0.31 | 67 | 2450 | 160 | 2 | 78 | ① |


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
Exhausting industrial processes, roof and building ventilation, clean room and other sensitive HEPA filtering application, laboratory and research facility ventilation, air conditioner, heat exchanger, in-line duct blowers, range hood, fire place
Production details

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 are an enterprise specializing in Ie2 / Ie3 / Ie4 Three Phase AC Squirrel Cage IP55 Induction Motors for Centrifugal Water Pumps 500 HP 1.15 Sf. 380V/ 440 VAC 50Hz / 60 Hz. The tenet of our company is 'the strength of a hundred companies, the wind of a new industry, doing things with heart and being a new person with new ideas'. Honest operation, mutual benefit and win-win are the business philosophy that all employees of the company have been adhering to. Focusing on our innovation and development tasks, we take the strivers as the basis and vigorously strengthen the construction of our staff team.
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