Spec Sheet The “JD” Series Jiffy Damper offers added economy in those applications where a supporting solid tail bearing is not required on the damper. The Duro Dyne JD Damper utilizes one Rapit Spring End Bearing. Blade gauge is as follows: 4” thru 8” are 26ga galvanized steel and 9” & 10” are 24ga galvanized steel. #8098 JD4 4” 10 Per Ctn #8099 JD5 5” 10 Per Ctn #8100 JD6 6” 10 Per Ctn #8101 JD7 7” 10 Per Ctn #8146 JD8 8” 10 Per Ctn #8140 JD10 10” 10 Per Ctn
