ASHRAE 120 Method of Testing to Determine Flow Resistance of HVAC Ducts and Fittings
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ASHRAE 120 Document Information:
Title
Method of Testing to Determine Flow Resistance of HVAC Ducts and Fittings
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc.
Publication Date:
Jun 21, 2008
Scope:
This standard may be used to determine the change in total pressure resulting from airflow in HVAC ducts and fittings.
The test results can be used to determine duct flow losses in pressure loss per unit length. Fitting losses are reported as local loss coefficients.
This standard does not cover interpretation of test data.
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