Greenheck has introduced a round industrial control HVAC damper to accommodate higher velocities and pressure. Model HCDR-450 is rated for velocities up to 7000 fpm and pressure up to 30 in. wg, and withstands temperatures from -60 to 400 degrees F.

Designed to control airflow and provide shut-off in HVAC or industrial process control systems, heavy duty model HCDR-450 features a flanged-style frame with optional mounting holes for easy installation. A wide range of actuators is available, and a variety of optional features allows the HCDR-450 to be tailored to the application. 

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