Over 100 Years of Excellent Quality Service
Round
PR-56
Round Pressure Relief Damper for Clean Air Use, 13.5" wg Max Pressure, 4000 fpm Max Velocity, 300° deg F Max Temperature, 12" thru 72" Max Diameter
PR-561
Round Pressure Relief Damper for Clean Air Use, Single Thickness Blade, Carbon Steel Construction, 2" wg Max Pressure, 3000 fpm Max Velocity, 250° F Max Temperature, 12" thru 60" Diameter
PR-562
Round Pressure Relief Damper for Clean Air Use, Single Thickness Blade, Carbon Steel Construction, 5" wg Max Pressure, 3900 fpm Max Velocity, 250° F Max Temperature, 12" thru 60" Diameter
PR-563
Round Pressure Relief Damper for Clean Air Use, Single Thickness Blade, Carbon Steel Construction, 8.5" wg Max Pressure, 5150 fpm Max Velocity, 250° F Max Temperature, 12" thru 72" Diameter