AMCA Issues Revised Rating Manual

The Air Movement and Control Association International, Inc. (AMCA) approved revisions for AMCA 211, a Certified Ratings Program/Product Rating Manual for Fan Air Performance.
The Manual includes a program manufacturers may follow for certifying a product's aerodynamic performance ratings.
The AMCA 211 manual prescribes the technical procedure to be used in conjunction with the AMCA Certified Ratings Program for Fans—Air Performance. The program is not applicable to fan components, such as fan impellers or impellers and housings.
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