Model VFD-10D-OP 1-½ hour • dynamic rated - fire damper curtain style blade • out-of-partition


The VFD-10D-OP fire damper employs curtain style blades for point-of-origin control of fire in dynamic HVAC systems. These specialty dampers are approved for installation with the closed plane of the curtain up to 21/2" (64) outside the fire rated partition and allow for direct access from the face of the damper through the HVAC grille. The VFD-10D-OP is qualified to 4,000 ft/min (20.3 m/s) and 4 in.wg. (1.5 kPa).