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Flow Characteristics ORated Flow(established by approval agencies) <br /> MODEL 350ADA 2 1/2",3"&4"(STANDARD&METRIC) <br /> FLOW RATES(1/s) <br /> 0.0 12.6 25.2 37.9 50.5 <br /> EF a 15 2 1/2"(65mm) 104 a <br /> y 4"(100mm) Cn <br /> 10 p 3"(somm) 69 a <br /> J W <br /> S 5 35 D <br /> y w <br /> oc 0 0 a <br /> a <br /> 0 200 400 600 800 <br /> FLOW RATES(GPM) <br /> MODEL 350ADA 6",8"&10" (STANDARD&METRIC) <br /> FLOW RATES(1/s) <br /> 0.0 63.1 126.2 189.3 252.4 <br /> 615 104� <br /> a <br /> "(150mm) g" 200mm 10"(250mm) UD <br /> US 10 ( ) 69 a <br /> O � <br /> LU NMI <br /> J W <br /> 5 35 Sr <br /> rn U) <br /> rn w <br /> m 0 0 a <br /> IL <br /> 0 1000 2000 3000 4000 <br /> FLOW RATES(GPM) <br /> Typical Installation Capacity thru Schedule 40 Pipe(GPM) <br /> Local codes shall govern installation requirements. Unless Pipe size 5 ft/sec 7.5 ft/sec 10ft/sec 15 ft/sec <br /> otherwise specified,the assembly shall be mounted at a mini- 2 1/2" 75 112 149 224 <br /> mum of 12" (305mm) and a maximum of 30" (762mm) above <br /> adequate drains with sufficient side clearance for testing and 3" 115 173 230 346 <br /> maintenance.The installation shall be made so that no part of 4" 198 298 397 595 <br /> the unit can be submerged. 6" 450 675 900 1351 <br /> 8" 780 1169 1559 2339 <br /> 10" 1229 1843 2458 3687 <br /> 12" 1763 2644 3525 5288 <br /> 0 <br /> 0 <br /> PROTECTIVE <br /> ENCLOSURE <br /> o <br /> LL <br /> 7LL <br /> _= O <br /> z <br /> "= O o <br /> U o <br /> u1 <br /> In <br /> 12'MIN. <br /> I 30"IMAX. <br /> -I jjiWi <br /> IIIII=III 1111111111= I III=III III=III= <br /> = III—III I I I=11 I—I I <br /> I=1I I I I I I I I I I II I II III—III I I1=1I1- <br /> I—III=1 I I I II= =I I II I I I=III= <br /> 'JA =' <br /> DIRECTION OF FLOW=D <br /> MODEL 350ADABG(Vertical Installation) MODEL 350ADA(Outdoor Installation) <br /> Specifications <br /> The Double Check Detector Backflow Prevention Assembly shall be certified to NSF/ANSI/CAN 61,ASSE®Listed 1048, and <br /> supplied with full port gate valves.The main body and access cover shall be epoxy coated ductile iron (ASTM A 536),the seat <br /> ring and check valve shall be NorylI"^ (NSF Listed),the stem shall be stainless steel (ASTM A 276) and the seat disc elasto- <br /> mers shall be EPDM.The first and second check valves shall be accessible for maintenance without removing the device from <br /> the line.The Double Check Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 350ADA. <br /> Zurn Industries,LLC I Wilkins <br /> 1747 Commerce Way,Paso Robles,CA U.S.A.93446 Ph.855-663-9876,Fax 805-238-5766 <br /> In Canada I Zurn Industries Limited <br /> 7900 Goreway Drive,Unit 10,Brampton,Ontario LIST 5W6,877-892-5216 <br /> www.zurn.com Page 2 of 2 <br />