Laserfiche WebLink
Page 7 of 7 <br /> Model BDD Backdraft Dampers <br /> For Fan Models ARVE, CRBA, CRDA, CRBCA, CUBA, CUDA, SAED, SASD, SQDA, <br /> UBCA, & UDCA through size 25, SQBA through size 20, and CFS & SIS through size 12 <br /> Features: <br /> Frame <br /> • Frame is galvanized steel. <br /> • Conduit knockout provided for ease of electrical <br /> hook up. <br /> • Easy to motorize, (order BDDMK Motor Kit) �� <br /> • 2"deep frame. �`1 • <br /> Blades ° ° �/ <br /> • Blades are 26 gauge mill finish aluminum. <br /> • Blades open freely to allow full opening and closing. ° <br /> • Felt seal on leading edge of blades for quiet closing B <br /> A" <br /> and better protection from the weather. <br /> • Nylon bushing and stainless steel pivot pins. <br /> • Tie rod attached to all blades for simultaneous <br /> opening. <br /> • Spring assist to allow blades to open quickly. <br /> Ratings --{ 4.00 - TYP. <br /> • Maximum recommended velocity is 2,000 FPM I <br /> • Temperature--40 F to 180 F <br /> 4.50 mai=lp.._..... I 2.00 <br /> SPRING TENSION <br /> Fan Damper ADJUSTMENT HOLES /CONDIT KNOCKOUT <br /> Model Size Dimensions(AxB) AIR FLOW <br /> 06,08,10 12.75" x 12.75" HORIZONTAL EXHAUST DAMPER <br /> CRBA, 12,13,15 17.75" x 17.75" <br /> CRBCA,CRDA 16,18,20 24.75"x 24.75" <br /> - HORIZONTAL SUPPLY DAMPER <br /> 24 28.75"x 28.75" <br /> 06,08,10 12.75" x 12,75" AIR FLOW <br /> -CUBA, CUDA, 12,13,15 20.75" x 20.75" 1 <br /> UBCA, UDCA 16,18 24.75"x 24,75" f 1 <br /> I0 <br /> 2.00 <br /> 21,24 28.75"x 28.75" 4. <br /> 12 12.75" x 12.75" <br /> SAED,SASD, 16 17.75" x 17.75" <br /> 4.00 TYP. <br /> ARVE 20 24.75" x 24.75" <br /> 25 28.75"x 28.75" OPTIONAL MOTOR <br /> CFS,SIS 9,10,12 24.75" x 24.75" (Model BDDMK) <br /> 06,08,10 13.75" x 13.75" MOTOR BRACKET <br /> 12 17.75"x 17.75" <br /> 13 19.75"x 19.75" ° °� MOTOR <br /> ° <br /> SQBA,SQDA 15 22.75" x 22.75" a ii2„ ° � MOTOR <br /> „---ARM AND <br /> 16 25.75" x 25.75" LINKAGE <br /> `.-FRAME <br /> 18 28.75"x 28.75" omtv'' <br /> 20 30.75" x 30.75" <br /> PARTIAL VIEW <br /> eCoo/air <br />