scope:

Scope.

This standard applies to Zone Dampers as defined in Section 3. This standard defines the performance of Zone Dampers in the following aspects: Pressure Drop, Airflow Leakage, Airflow Rate, and Operational Torque, which will provide both the specifier and user, the data required to evaluate and compare Zone Dampers.

Exclusions.

This standard does not include or pertain to dampers that are fire and/or smoke rated.

Purpose.

The purpose of this standard is to establish for Zone Dampers: definitions; classifications; test requirements performance ratings; rating requirements; minimum data requirements for Published Ratings; product marking and labeling; and conformance conditions.

Intent.

This standard is intended for the guidance of the industry, including manufacturers, designers, installers, contractors, and users.

Review and Amendment.

This standard is subject to review and amendment as technology advances.