Page 10 of Water Regulators and Blackflow Preventers & Meters by Duff Company

duff co regulators-backflowpreventers-meters reduced pressure zone backflow preventers relief valve kits when ordering please specify fig no and valve size fig no relief valve rubber parts 85660 85661 85662 85663 relief valve total 64689 85665 85666 85667 total rubber parts kits 85704 63072 85705 85706 85708 85707 85709 page 362 kit no size price kit consists of sleeve o-ring piston o-ring stem o-ring rv disc assembly diaphragm piston seal bottom plug o-ring adapter o-ring and lubricant rk909rv rk909rv rk909rv rk909m1rv 2 1/2 3 4 6 8 10 4 10 kit consists of diaphragm disc piston assembly seat seat o-ring adapter o-ring and lubricant sizes 4 -10 m1 includes bottom plug spring assembly rk909vt rk909vt rk909vt rk909m1vt 2 1/2 3 4 6 8 10 4 10 kit consists of lower check stem o-ring 6 only check disc cover o-ring sleeve o ring piston o-ring rv disc assembly diaphragm piston seal and lubricant rk909rt rk909rt rk909rt rk909rt rk909m1rt rk909rt rk909m1rt 2 1/2 3 4 6 8 8 10 10 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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