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Flow Characteristics ORated Flow(established by approval agencies) <br /> MODEL 350ASTDA 2 1/2",3"&4"(STANDARD&METRIC) <br /> FLOW RATES (1/s) <br /> 0.0 12.6 25.2 37.9 50.5 <br /> _15 104_ <br /> 2 1/2"(65mm) <br /> N 3"(80mm) 4"(100mm IL <br /> a_ <br /> to 10 69 ai <br /> w O <br /> O � <br /> J w <br /> 5 35 CO <br /> In w <br /> w 0- <br /> a 0 0 <br /> 0 200 400 600 800 <br /> FLOW RATES (GPM) <br /> MODEL 350ASTDA 6" 8"& 10" (STANDARDAND METRIC) <br /> FLOW RATES (1/s) <br /> 0.0 63.1 126.2 189.3 252.4 <br /> _ 20 138 <br /> a 15 10"(250mm) CL <br /> 104 Y <br /> N 6"(150mm) J) <br /> p 8"(200mm) O <br /> J 10 69 J <br /> w w <br /> o_ 0 <br /> U 5 <br /> to 35 U) <br /> rn <br /> w w <br /> EL 0 0 a <br /> 0 1000 2000 3000 4000 <br /> FLOW RATE (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 3" 115 173 230 346 <br /> adequate drains with sufficient side clearance for testing and <br /> maintenance.The installation shall be made so that no part 4" 198 298 397 595 <br /> of 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 /> PROTECTIVE <br /> ENCLOSURE <br /> Q <br /> O <br /> LL <br /> LL <br /> O <br /> z <br /> O o <br /> v <br /> w o <br /> 0 <br /> } <br /> 12"MIN. <br /> 30"II MAX. <br /> y 1 <br /> ui=iTi=w IF nl0lal =u=G <br /> �TnT io-i 3a iItT�• <br /> <�= DIRECTION OF FLOW <br /> ZURN WILKINS MODEL350ASTDABG ZURN WILKINS MODEL 350ASTDA <br /> INDOOR VERTICAL INSTALLATION OUTDOOR HORIZONTAL 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 304L Stainless Steel,the seat ring and check <br /> valve shall be NoryIT"',the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM.The first <br /> and second check valves shall be accessible for maintenance without removing the device from the line.The Double Check <br /> Detector Backflow Prevention Assembly shall be a ZURN WILKINS Model 350ASTDA. <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 />