Page 9 of Water Regulators and Blackflow Preventers & Meters by Duff Company

regulators-backflowpreventers-meters duff reduced pressure zone backflow preventers co rebuild kits also available for wilkins zurn combraco febco hersey check valve kits when ordering please specify fig no and valve size fig no kit no first check kits 85637 rk909ck1 64683 rk909ck1 85638 rk909ck1 85639 rk909ck1 85640 rk909ck1 second check kits size 2 1/2 3 4 6 8 10 price fig no kit no size first check rubber parts kits 85646 rk909rc1 2 1/2 3 85647 rk909rc1 4 85648 rk909rc1 6 85649 rk909rc1 8 85650 rk909rc1 10 second check rubber parts kits kit consists of lower check stem o-ring 6 only check disc cover o-ring and lubricant price kit consists of disc spring assembly cover o-ring and lubri cant 64685 85641 85642 85643 85644 seal kits rk909ck2 rk909ck2 rk909ck2 rk909ck2 rk909ck2 2 1/2 3 4 6 8 10 85651 rk909rc2 2 1/2 3 85652 rk909rc2 4 85653 rk909rc2 6 85654 rk909rc2 8 85655 rk909rc2 10 cover kits for checks kit contains of cover cover o-ring and lubricant kit consists of seat set o-ring cover o-ring retainer wires and lubricant 64688 85656 85657 85658 85659 rk909cks rk909cks rk909cks rk909cks rk909cks 2 1/2 3 4 6 8 10 85668 85669 85671 85672 85673 rk909c rk909c rk909c rk909c rk909c 2 1/2 3 4 6 8 10 page 361 for additional information call 610-275-4453 or fax 610-279-6299 prices are a guide only please call for current prices.

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