ARLINGTON HEIGHTS, Ill., May 3, 2023 — Air Movement and Control Association International Inc announces the release of AMCA Publication 511-21, Certified Ratings Program Product Rating Manual for Air Control Devices..
Superseding AMCA Publication 511-21, AMCA Publication 511-21 outlines technical procedures and the presentation of data for the certification of air-control devices through AMCA Certified Ratings Program.
The focus of the 2022 release was the addition of air-leakage-rating requirements and air-performance-rating requirements for linkage-connected economizer dampers, known as economizer dampers...
The addition of figures for the three general types of linkage-connected economizer dampers ..
The addition of table of all of the symbols used in the publication ..
For volume-control dampers, the allowance of extrapolation of air-leakage rating outside the height ...
AMCA Publication 511 Committee believes the 2022 revisions enhance the clarity, conformity, and completeness of the publication and impact the in positive manner..
For more information about AMCA Publication 511-21, contact Director of Publications and Standards Joe Brooks, PE, at jbrooks@amca org or Senior Manager, Publications and Standards Shruti Kohli-Bhargava at [email protected]..
Air Movement and Control Association International Inc is association of manufacturers of fans, dampers, louvers, air curtains, and other air-system components for HVAC, industrial-process, and power-generation applications.
With programs such as certified ratings, accreditation, verification of compliance, and international-standards development, its mission is to advance the knowledge, growth, and integrity of the industry.
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