Greenheck's Introduces HCDR-051 Light-Duty Round Control Damper

Greenheck’s HCDR-051 light industrial control damper is designed to control airflow and provide tight shutoff in HVAC or industrial process control systems.

Article content provided by Greenheck.

Greenheck's HCDR line of round industrial control dampers has grown with the introduction of the HCDR-051. Designed to control airflow and provide tight shutoff in HVAC or industrial process control systems, the HCDR-051 is a light industrial model featuring a flanged-style frame with optional mounting holes for easy installation. Solid flanges are welded around the circular frame, providing a rigid base that supports the butterfly-style blade. The HCDR-051 can withstand velocities up to 3,000 fpm, pressures up to 6 in. wg, and a temperature range of -40°F to 250°F, and exceeds AMCA Class 1A with leakage under 1 cfm/ft2 at 1 in. wg. Available in sizes up to 24 inches in diameter, the HCDR-051 can be equipped with a variety of factory-installed actuators and optional features to meet specific application requirements.

Greenheck, the global leader in manufacturing and distributing air movement, control, and conditioning equipment, offers the most UL-certified dampers and the largest selection of AMCA-licensed dampers in the industry.

For more information on Greenheck’s HCDR industrial control dampers, please see our product page here.

Visit the Greenheck website.

Have a question for Greenheck? Contact Greenheck here.

Greenheck manufactures commercial, institutional and industrial products including fans and ventilators, centrifugal and vane axial fans, laboratory exhaust systems, energy recovery ventilators, make-up air, dampers, and louvers. 


Dec 9, 2025 Products & Services Update

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