New BTDR-50 Bowtie Damper From Greenheck

May, 2023

Greenheck introduces model BTDR-50, a cable-operated radial blade balancing damper, also known as a bowtie damper, that is designed for easy airflow adjustment at an air outlet or plenum neck. The BTDR-50 is available in steel in 6, 8, 10, Greenheck BTDR-50 Bowtie Damper12, and 15-inch diameters, with pressure capacity up to 1 in. wg, operational velocity up to 1600 fpm, and a maximum temperature of 240oF. Dampers ship factory-assembled with 3-foot cables making them easy to install. Cable-operated dampers are easily adjusted via rotary cable actuation using either a nut driver or screwdriver. Model BTDR-50 is ideal for applications where it is difficult to get access to manually adjust the dampers and balance the airflow such as through the face of a diffuser or grille.


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

About Greenheck

Greenheck is a global leader in engineering and manufacturing air movement, control, conditioning, and distribution equipment. For 75 years, we have been committed to promoting the highest levels of indoor air quality by offering the widest range of ventilation products for commercial and institutional buildings. Through superior customer service, we continue our legacy of innovation as experts in air movement by connecting our mechanical representative partners and customers with the newest products. With our CAPS® product selection tool and HVAC University product education series, Greenheck offers technology and product knowledge to ensure that when you work with us, you are working with the easiest company to do business with.

To learn more, visit or contact Greenheck, P.O. Box 410, Schofield, WI 54476-0410, (715) 359-6171, FAX (715) 355-2399.