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FLOW CHARACTERISTICS <br /> MODEL 350ADA2 1/2",3"&4"(STANDARD&METRIC) <br /> FLOW RATES(1/s) <br /> 0.0 12.6 25.2 37.9 50.5 <br /> 615 104-,' <br /> a 2 1/2"(65mm) 4"(100 m) <br /> 0 10 3" 80mm 69 0 <br /> w w <br /> 5 35 N <br /> h U) <br /> h w <br /> LU <br /> CL 0 0 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 /> y 15 104 <br /> a <br /> 0 10 6"(150mm) 8"(200mm) 10"(250mm) gg o <br /> J <br /> W w <br /> 5 35 <br /> � N <br /> y w <br /> w <br /> a <br /> 0 0 Of <br /> 0 1000 2000 3000 4000 <br /> FLOW RATES(GPM) <br /> O Rated Flow(Established by approval agencies) <br /> TYPICAL INSTALLATION Capacity thru Schedule 40 Pipe(GPM) <br /> Local codes shall govern installation requirements. Unless <br /> otherwise specified,the assembly shall be mounted at a mini- Pipe size 5 ft/sec 7.5 ft/sec 10ft/sec 15 ft/sec <br /> mum of 12" (305mm)and a maximum of 30" (762mm)above 2 1/2" 75 112 149 224 <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 <br /> the unit can be submerged. 4" 198 298 397 595 <br /> 6" 450 675 900 1351 <br /> 8" 780 1169 1559 2339 <br /> 10" 1229 1843 2458 3687 <br /> 12" 1763 1 2644 1 3525 1 5288 <br /> p PROTECTIVE <br /> LL ENCLOSURE <br /> 0 <br /> O <br /> O O O <br /> IN. <br /> 30"MAX. <br /> ° 1=III=111'1 'III=III� 1=III=III "III=III= <br /> II-III-I III-III-I II-III-II <br /> -1111111111III III=III- DIRECTION OF FLOW =III-III III=III= <br /> ° 1=111- '=111-I I I-111- <br /> ��IIII II III- '=III III=' <br /> MODEL 350ADABGVIC(VERTICAL INSTALLATION) MODEL 350ADA(OUTDOOR INSTALLATION) <br /> SPECIFICATIONS <br /> The Double Check Detector Backflow Prevention Assembly shall be ASSE®Listed 1048, and supplied with full port gate valves. <br /> The main body and access cover shall be epoxy coated ductile iron (ASTM A 536 Grade 4),the seat ring and check valve shall be <br /> NoryITM (NSF Listed),the stem shall be stainless steel (ASTM A 276)and the seat disc elastomers shall be EPDM.The first and <br /> second check valves shall be accessible for maintenance without removing the device from the line.The Double Check Detector <br /> Backflow Prevention Assembly shall be a WILKINS Model 350ADA. <br /> WILKINS a Zurn company, 1747 Commerce Way,Paso Robles,CA 93446 Phone:805/238-7100 Fax:805/238-5766 <br /> IN CANADA:ZURN INDUSTRIES LIMITED,3544 Nashua Dr.,Mississauga,Ontario L4V 11-2 Phone:905/405-8272 Fax:905/405-1292 <br /> Product Support Help Line: 1-877-BACKFLOW(1-877-222-5356) • Website: http://www.zurn.com <br /> Page 2 of 2 <br />