The ProSelect PSRADX 8-inch radial damper is an essential component for balancing air distribution within residential and commercial forced-air systems. Designed for installation inside standard 8-inch round ductwork, this inline radial damper gives technicians and system installers the mechanical control needed to regulate local air volumes. By managing airflow variations across different zones, it assists in maintaining consistent thermal comfort throughout an entire building layout.
This duct fitting features a multi-blade radial configuration that provides uniform restriction across the diameter of the round pipe. This layout distributes air resistance more evenly than a traditional single-blade butterfly damper, which helps reduce localized airflow turbulence and the whistling noises often associated with high velocity drops. The manual balancing mechanism allows for accurate permanent settings during system commissioning, optimizing overall HVAC performance.
When ordering the PSRADX damper, confirm that your ductwork dimensions match the 8-inch round specifications of this product. It is ideal for installation behind registers, diffusers, or within strategic branches of supply air networks. To ensure proper airflow balancing and compliance with typical regional mechanical duct design standards, installation by a licensed HVAC specialist is recommended.









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