We expand the market of the 4 inch inline fan, dryer vent booster fan, Industrial Axial Fans industry and move forward to the market of multiple fields, and we improve the technology of the industry and improve the level of customer service. We rely on highly specialized technical and managerial talents, excellent manufacturing technology and excellent product quality, based on the domestic, facing the world, and realize the healthy development of the enterprise. Our success is due to our understanding of our customers and we will always work closely with our customers.
Product Introduction
| The diameter of Impeller | 225mm | |
Material | Impeller | PA66 plastic |
Rotor | steel | |
Motor technology | EC | |
Mounting position | Any | |
Type of protection | IP44 | |
Insulation class | Class F | |
Approvals | CE, CCC | |
Technical feature | 0-10V/PWM/RS-485 | |
Protection | Over Voltage/ Lock Rotor | |
Ambient temperature | -20℃ to 50℃ | |
Advantage | The series of the EC centrifugal fan adopt the EC efficiency motors. The voltage include DC24V, DC48V, AC110, AC220, frequency 50Hz/60Hz. Apply to the occasions of high-volume airflow, high voltage, high resistance, and low noise, such as the air purifier and roof ventilator. | |
Product Parameter (specification)
Model | Voltage | Input Power | Frequency | Speedrpm | Max Current | Air Flow | Noise |
ECB225A230 | AC1~200~270 | 145 | 50/60 | 3070 | 1.2 | 1055 | 72 |
ECB225A110 | AC1~100~130 | 145 | 50/60 | 3070 | 2.4 | 1055 | 72 |
Airflow :


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.
Through our unremitting efforts, we have produced 280mm Ec Backward Curved Centrifugal Fan with higher and higher technological content, and some of our production technologies are in the leading position. The company has a sound organization, supporting professional and technical personnel and complete product standards and technical data. Our development is based on the cooperation principle of 'honesty and trustworthiness, fairness and justice, mutual benefit'!
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