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Flow Characteristics O Rated Flow(established by approval agencies) <br /> MODEL 350DA 2 1/2",3"&4"(STANDARD&METRIC) <br /> FLOW RATES(I/s) <br /> 0.0 12.6 25.2 37.9 50.5 <br /> 15 <br /> to 103 <br /> 2112'(65mm) 3'60mm <br /> O O <br /> J <br /> 10 69 W^ <br /> to 4' 100mm 7 <br /> a <br /> a 0 0 LL <br /> 0 200 400 600 800 <br /> FLOW RATES(GPM) <br /> MODEL 350DA6"&8"(STANDARD&METRIC) <br /> 0.0 31.5 63.1 FLOW RATES(1/s) 94.6 126.2 157.7 <br /> y 15 103 N <br /> 6'(150mm) O <br /> U^10 e'(20omm) 69 W <br /> � ro <br /> h 7 s <br /> n 5 34 N <br /> a 0 0 a. <br /> 0 500 1000 1500 2000 2500 <br /> FLOW RATES(GPM) <br /> MODEL 350DA 10"&12"(STANDARD&METRIC) <br /> FLOW RATES'(i/s) <br /> 0.0 31.5 63.1 94.6 126.2 157.7 189.3 220.8 252.4 283.9 <br /> W 15 10.3 rn <br /> O 10'(250mm 12'(300mm 0 <br /> 10 69 W <br /> a <br /> 10 <br /> N <br /> V) N <br /> 5 34 a- <br /> W <br /> IL 0 0 0 <br /> 0 500 1000 1500 2000 2500 3000 3500 4000 4500 <br /> FLOW RATES(GPM) <br /> Typical Installation <br /> Local codes.shall govern installation requirements.Unless <br /> otherwise specified,the assembly shall be mounted at a <br /> minimum of 12"(305mm)and a maximum of 30"(762mm) <br /> above adequate drains with sufficient side clearance for test- ; . <br /> ing and maintenance.The installation shall be made so that — <br /> no part of the unit can be submerged. . — <br /> Capacity thru Schedule 40 Pipe(GPM) — <br /> csxoiecros: <br /> Pipe size 5 ftlsec 7.5 ff/sec 10 ft/sec 15 ft/sec <br /> 21/2" 75 112 149 224 — <br /> 3" 115 173 230 346 <br /> 4" 198 298 397 595 ' <br /> � l <br /> P 6" 450 675 900 1351 <br /> 8" 780 1169 1559 2339 VERTICAL INSTALLATION <br /> 10" 1229 1843 2458 36871ssssa <br /> aaecsmu nFnmv,> <br /> 12" 1763 2644 3525 5288 <br /> OUTDOOR INSTALLATION <br /> Specifications <br /> The Double Check Detector Backflow Prevention Assembly shall be ASSEO Listed 1048,and supplied with full port gate <br /> valves.The main body and access cover shall be epoxy'coated ductile iron(ASTM A 536 Grade 4),the seat ring and check <br /> valve shall be NorylTM(NSF Listed),the stem shall be stainless steel(ASTM A 276)and the seat disc elastomers shall be <br /> EPDM.The first and second check valves shall be accessible for maintenance without removing the.device from the line.The <br /> Double Check Detector Backflow Prevention Assembly shall be a WILKINS Model 350DA. <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 /> 3544 Nashua Drive,Mississauga,Ontario L4V 11_2 Ph.905-405-8272,Fax 905-405-1292 <br /> www.aurn.com Page 2 of 2 <br />