ARLINGTON HEIGHTS, Ill., April 3, 2020—Air Movement and Control Association (AMCA) International Inc. announces the revision of ANSI/AMCA Standard 204, Balance Quality and Vibration Levels for Fans.
Covering fans with rigid rotors generally found in commercial-building heating, ventilating, and air conditioning; industrial-process applications; mine/tunnel ventilation; and power-generation applications, ANSI/AMCA Standard 204 underwent minor revisions, including:
• Reformatting to adhere to current style.
• Changes to definitions for alignment with other standards.
• A new suggested frequency range for overall vibration measurement.
• Updates to the latest version of referenced standards.
• Inclusion of an example showing a typical calculation of overall vibration level from a vibration signature captured using a fast-Fourier-transform (FFT) analyzer.
The cost of ANSI/AMCA Standard 204-20 is $45 for AMCA members and $90 for non-members. To purchase, visit AMCA’s online store at www.amca.org/store.