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Flow Characteristics .,Rated Flor(established by approval agencies) <br /> MODEL 350ASTDA 2 1/2", 3"&4"(STANDARD&METRIC) <br /> FLOW RATES (Ifs) <br /> 0.0 12.6 25.2 37.9 50.5 <br /> _15 i 104_ <br /> 21,2"(05mm) m <br /> rn 4"(100m <br /> 3"(SOmmj <br /> m1 <br /> O. <br /> th <br /> n • <br /> O10 69 <br /> J w <br /> cc w cc <br /> 5 35 u)i <br /> u) rn <br /> w w <br /> w cc <br /> cc a <br /> 0- 0 0 <br /> 0 200 400 600 800 <br /> FLOW RATES (GPM) <br /> MODEL 350ASTDA 6" 8"& 10"(STANDARD AND METRIC) <br /> FLOW RATES (Ifs) <br /> 0.0 63.1 126.2 189.3 252.4 <br /> 20 138 <br /> 3 <br /> y 10"(250mm) <br /> a 15 - 104v <br /> ci)u) 6'-(150mm) co <br /> O 8'(200mm1 0 <br /> 10 69 <br /> w ce <br /> cc <br /> u) 5 35 vui <br /> rn rn <br /> w w <br /> 0-• 0 0 ri <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- 21/2" 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 73 230 34C <br /> • <br /> maintenance.The installation shall be made so that no part 4 198 298 ^97 595 <br /> of the unit can be submerged. 6" 450 675 Wu 1351 <br /> 8" 780 1169 1559 2339 <br /> 10" 1229 1843 2408 368, <br /> ii12" 1763 2644 3525 5288 <br /> =o-tRlO <br /> _ r, 0 <br /> ■I PROTECTIVE <br /> (:;- <br /> 6,�,! ENCLOSURE <br /> � g 741 <br /> U fig IN 0 �i'MI <br /> IIIIL4li$%II <br /> IlillM 12"MIN. <br /> u=u n=n— litiU TAW— <br /> ' • 0 <i= 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,ASSEU 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 NorylTM,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 Checkill <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 1 <br /> 7900 Goreway Drive,Unit 10,Brampton,Ontario L6T 5W6,877-892-5216 <br /> www.zurn.com Page 2 of 2 <br />