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Noise Analysis of Centrifugal Fans 2024-01-15

The key factor affecting fan noise under normal working conditions is the shape design of the impeller. The impeller obtains energy from the air through rotation, therefore, in the design process, it is necessary to comprehensively consider factors such as blade material, quantity, shape, angle, bending degree, and thickness.

Breakthrough Application of PBM Fans in the ERV Industry 2023-11-23

PBM Motors has emerged as a trailblazer in the ERV industry, introducing groundbreaking applications driven by innovative technology.

Differences Between Axial Fans and Centrifugal Fans: Which One Fits Your Needs? 2023-08-28

In this article, we'll explore the key differences between axial and centrifugal fans to help you make an informed choice for your specific ventilation needs.

Achieving CE Certification for Exporting Our Products: Ensuring Compliance with EMC Testing and Electromagnetic Interference Standards 2023-07-24

In this article, we will explore the significance of CE certification and its relation to EMC testing and electromagnetic interference (EMI) standards. As a leading manufacturer and technology consulting company specializing in EC brushless motors, fans, and intelligent ventilation solutions, PBM is committed to providing high-quality products that comply with CE regulations.

How to Purchase a Centrifugal Fan? 2023-06-19

In this post, we will explore the different types of centrifugal fans and the selection criteria you should consider when buying one.

Exploring the Efficiency Advantages of EC Motors over AC Motors 2023-05-30

In this article, we will explore the fundamental differences between EC and AC fans and highlight the efficiency advantages of EC motors over AC motors.

Understanding the Three Sources of EC Fan Noise and Ways to Eliminate It 2023-04-20

EC fan noise is caused by three sources: aerodynamic noise, mechanical noise, and electromagnetic noise. In this article, we will discuss these sources and explore ways to eliminate them.

Introduction to the Maintenance Knowledge of Centrifugal Fans 2023-02-22

If the centrifugal fan is not cleaned, it will have an impact on future use. Many operators who can operate do not necessarily know how to clean. If you don't know how to clean it, it will definitely cause trouble.

What Is the UL Certification of PBM EC Fans? 2022-12-06

Founded in 1894, UL is a non-profit product safety testing and certification organization. There are more than 50 laboratories around the world, with about 6,000 employees. Every year, thousands of products are certified by UL and use the UL mark. Currently, UL has nearly 800 sets of standards, 75% of which are adopted by the American National Standard Institute(ANSI).