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FLOW CHARACTERISTICS <br /> MODEL 350ADA 2 1/2",3"&4"(STANDARD&METRIC) <br /> FLOW RATES(I/s) <br /> 0.0 12.6 25.2 37.9 50.5 <br /> X15104^ <br /> a 21/2'(65mm: 4" 100mm x <br /> 0 10 3"(80mm) 69 0 <br /> g 5 . 35 = <br /> o co <br /> La in <br /> a. 0 0 <br /> 0 200 400 600 800 <br /> FLOW RATES(GPM) <br /> MODEL 350ADA 6",8"&10" (STANDARD&METRIC) <br /> FLOW RATES(I/s) <br /> 0.0 63.1 126.2 189.3 252.4 <br /> y 15 104 a <br /> x <br /> 0 10 _."(150 .8"(200mm) 10" 250mm 69 0 <br /> _Lr7----.- <br /> . <br /> �. J <br /> W - .- - W <br /> re 5 �� 35 = <br /> „y, W <br /> tr 1 <br /> 0 0 a <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 10f/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 /> LL 10" 1229 1843 2458 3687 <br /> E kali 12" 1763 2644 3525 5288 <br /> I NMI <br /> o ''''.4°!' <br /> = <br /> „,,;T= PROTECTIVE <br /> ,, 11 ___LENCLOSURE r — _ - - - - <br /> >f1-1 0 o II . <br /> ,-1 <br /> W . dui _�_ =L <br /> Ep <br /> I iIIiIkiiiiT1IIiI1IIII <br /> 1 - - I ”MIN. <br /> 12 12 MAX. <br /> II=1I. =11=11 -11=11= 4=11 <br /> • n-n-I II=11= 1-11=1 -11=1 <br /> ° lI.=.II11=11 DIRECTION OF FLOW .1_1:=.11= 11=11 <br /> 11=11: RV 1=11: <br /> 4 °. =.II? =11. .II? =11. <br /> • • <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 1L2 Phone:905/405-8272 Fax:905/405-1292 <br /> Product Support Help Line: 1-877-BACKFLOW(1-877-222-5356) • Website:http://www.zum.com <br /> Page 2 of 2 <br />