CLEAR THE AIR Pottorff's Industrial Control Dampers feature heavy-duty construction, ensuring precise automatic air control and balancing in the most demanding high-pressure and high-velocity HVAC system applications. OUR INDUSTRIAL CONTROL DAMPER SELECTIONS INCLUDE: TRIPLE-V BLADE CD-81 / CD-82 CD-83 / CD-84 FRP-81 / FRP-82 FIBERGLASS AIRFOIL BLADE CD-91 / CD-92 CD-93 / CD-94 CD-95 / CD-96 CD-97 / CD-98 FRP-91 / FRP-92 FIBERGLASS PRESSURE in. wg. 10 15 20 9 32 25 45 28 ALUMINUM AIRFOIL BLADE CD-103 / CD-104 TUNNEL DAMPER TD-93 / TD-94 TRUE ROUND CD-81R FRP-81R FIBERGLASS FRP-83R FIBERGLASS FRP-85R FIBERGLASS BACKDRAFT BD-84 BD-250 CBD-250 COUNTERBALANCED FRP-BDR ROUND - FIBERGLASS FRP-BD-84 3-V - FIBERGLASS FRP-BD-94 AF - FIBERGLASS BUBBLE TIGHT CD-95R BLAST DAMPERS BC-550 15 32 10 5 10 30 10 16 16 10 10 16 30 15 VELOCITY FPM 3000 5000 2000 4000 5000 5000 6000 4000 5000 4000 6000 2000 6000 6000 3500 2500 2500 6000 2000 4000 6500 4000 TEMP. °F 250 250 200 450 450 450 450 200 450 482 250 200 200 200 250 200 200 200 200 200 250 250 AXLE in ½ " ¾ " ¾ " ½ " ¾ " ¾ " 1 " ¾ " CD-81R CD-81R True Round ¾ " ¾ " VARIES* VARIES* VARIES* VARIES* ½ " - - VARIES* ¾ " ¾ " FRP-BDR ound Blade FRP-BDR ound Blade VARIES* ¾ " *BASED ON DAMPER SIZE Fiberglass Backdraft Round Blade Fiberglass Backdr ft FRP-BD-94 Airfoil Blade Fiberglass Backdraft CD-81 / CD-82 Triple-V Blade riple- Blade CD-91 / CD-92 Airfoil Blade CD-95R Bubble Tight Isolation CD-95R BC-550 Blast Suppression www.pottorff.comhttp://www.pottorff.com