(English version, 1500 words, 6 pages)

Do your products need to know the standards(Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Fan)before they enter Chinese market? The pages will show you more information.

This national standard specifies energy efficiency grades, minimum allowable values of energy efficiency, evaluating values of energy conservation and test method for fans.

This standard is applicable to centrifugal and axial-flow fan for common use, centrifugalinduced fan for industrial steam boiler, centrifugal blowing fan and induced fan for powerboiler, axial-flow fan for power station and air conditioning centrifugal fan.

This standard id not applicable to the fan with special structure and special purpose, likeejector type ventilator and transverse flow type fan.

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