Electronic control systems are equipped on all ventilation systems used for controlling, regulating and monitoring purposes. With the advancement of digitization, digital cont…

CNEX is a professional research institute in the field of Ex safety technique and the base of scientific research and verification of Ex electrical apparatus in China. If the fan is to be run in …

As mentioned above, arrangement 1 fans and arrangement 3 fans show many common features. Arrangement 9 and 10 fans are also similar in many ways. From the perspective of fan appearance,…

Centrifugal fans are usually available in several arrangements, which is the position of the motor against the fan. The three main criteria may influence your choice in determining the optimal type of arrangement for your fan:

CE certification is a safety certification enforced in the EU market to ensure that products meet international safety and industry quality requirements. According to customer needs, the following products have obtained CE certification. The implementation standards cover the Machinery Directive (MD) and the Low Voltage Directive (LVD), which provides strong support for the business development of your international project.

According to the requirements of the state regulations, the smoke removal fan must be subject to the high temperature-resistant test by a specialized agency designated by the Ministry of Public Security in accordance with GA 211-2009 High temperature-resistant test methods for smoke and heat exhaust ventilators to ensure that the fan can run continuously for 30 minutes or more when the temperature is 280 °C, or can run continuously for 60 minutes or more when the temperature is 250 °C. The type test report issued by the national authorized testing agency and the China Compulsory Certification certificate are obtained.