Our 4 inch exhaust fan, EC Centrifugal Fan For Roof Ventilator, ECQ Electronically Commutated Motor is well received by the market because of its high quality, wide range of applications and high value. We encourage an atmosphere of openness, courage, generosity and mutual respect so that our employees can speak their minds. Our innovation work has achieved remarkable results in the combination of product research and development and market development, which shows the important position of technology and market innovation in our development. If you are interested in our products or have special product requirements, please contact us and we will try our best to meet your requirements. In the process of enterprise development, business intelligence plays an important role. In today's changing business environment, it enables enterprises to quickly seize the changing business opportunities and make quick and accurate business decisions.
The diameter of Impeller | 133mm | |
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 | MaxAir Flow | Capacitor | Noise | Curve |
YWFF2E133L | 115 | 50/60 | 0.8/1 | 90/110 | 2050 | 250 | 8 | 65 | ① |
230 | 50/60 | 0.35/0.4 | 75/90 | 2000 | 250 | 2 | 65 | ||
YWFF2E133H | 230 | 50/60 | 0.35/0.4 | 80/90 | 2000 | 300 | 2 | 67 | |
YWFF4E133H | 230 | 50 | 0.24 | 50 | 1300 | 250 | 2 | 55 |
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
Production details
Deliver and serving
(1)Deliver
About 30-40 days after receive client’s payment. Because we are manufacturer, and we don’t have production in stock. We will arrange production as soon as possible.
(2)Service
①Pre-sales services:
We have Personalized Customization Scheme for every client.
We will adjust the voltage, frequency, length of line and other detail character according to client’s demand.
②After-sales services
According to the requirements of consumers, carry out the technical guidance on the use and other aspects
Dealing with customers' letters, visits and telephone complaints, answering customers' inquiries. At the same time, we will use various ways to collect the opinions of consumers on the quality of products, and improve them in time according to the situation.
warranty: one year after ETD.
We are more open, more inclusive, providing more competitive Double End Eyeshadow Brush Double-Ended Makeup Brush for customers, with more preferential prices, more professional services, consulting, after-sales service a whole set of system to do more perfect. The company's business strategy should focus on unremitting efforts to meet the growing public demand in the market. We practice scientific management mechanism and overall improvement of management quality, and continue to enhance the company's market competitiveness.
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