Greenheck’s rectangular industrial isolation control damper, Model HCD-221, incorporates the square-blade design found on its bubble tight damper. The square-blade design enables the damper to provide shutoff with low leakage in HVAC or industrial process control systems.
With a flanged damper frame for mounting ease, Model HCD-221 features a blade seal mechanically fastened to the blade that is field replaceable and available with parallel or opposed blade action. A wide range of electric, pneumatic or manual actuators is also available. Model HCD-221 offers differential pressure up to 10 in. wg (2.5 kPa), velocity up to 4000 fpm (20.3 m/s) and withstands temperatures from -40 to 400 F.
For more information about Greenheck products, visit online or contact Greenheck, P.O. Box 410, Schofield, Wis. 54476-0410, (715) 359-6171, FAX (715) 355-2399.