AHRI 1290 (I-P) and 1291 (SI): Performance Rating of Zone Dampers

Standard Scope

This standard applies to zone dampers, as defined in Section 3 of this standard. It defines the performance of zone dampers with respect to pressure drop, airflow leakage, airflow rate, and operational torque. This will provide specifiers and users with the data required to evaluate and compare zone dampers.

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