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ZURIV® Model 350ADA Double Check Detector Assembly Application (A)Designed for installation on water lines in fire protection sys- tems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350ADA LEAD FREE shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect leaks and saL s unauthorized water use. L4 Standards Compliance(Horizontal&Vertical) (with OS&Y gates) NSFANSVCAN61 (with BG valves) • ASSEA Listed 1048 • AWWA Compliant C510 (with gates only), and C550 • CSA®Certified B64.5 Options(Suffixes can be combined) • Classified El with flanged end OS&Y gate valves(standard) ULA • UL@ Classified El less shut-off valves(grooved body connections) • C-U Approved ElLM less water meter FM • Approved by the Foundation for Cross Connection El with gallon meter(standard) Control and Hydraulic Research at the University of El CFM with cu ft meter Southern California ElCMM - with cu meter meter • NYC MEA 221 04M-2 (2 1/2" 8") ElG with grooved end connections • * ElFG with flanged inlet connection and grooved Meets the requirements of NSF/ANSI/CAN 61 '(0.25%MAX.WEIGHTED AVERAGE LEAD CONTENT) outlet connection By-Pass Backflow Assembly 3/4" Model 950XLD El PI with Post Indicator Gate Valves Materials ElBG - with grooved end butterfly valves with integral supervisory switches Main valve body Ductile Iron ASTM A 536 ElAccess covers Ductile Iron ASTM A 536 BF with flanged end butterfly valves with integral supervisory switches Coatings NSF Approved electrostatic epoxy finish Accessories Internals Stainless steel, 300 Series ❑ Repair kit(rubber only) NOinlessRYL ❑ Thermal expansion tank(Model XT) Fasteners&Springs Stainless Steel, rov Series ❑ OS&Y Gate valve tamper switch (OSY-40) Elastomers EPDM (FDA approved) Buna Nitrile(FDA approved) Polymers NORYLTM Features Sizes: 2 1/2", 3"* , 4", 6", 8", 10" Maximum working water pressure 175 PSI Maximum working water temperature 140°F E Hydrostatic test pressure 350 PSI End connections (Grooved for steel pipe) AWWA C606 (Flanged bolt pattern) ASME B16.42 0 4 0 ®� Class 150 F *2 1/2" &3"sizes use 4"body&reducer couplings a LG— A C D— Dimensions&Weights(do not include pkg.) MODEL 350ADA with OS&Y option WEIGHT MODEL 350ADA LESS OSY GATE OSY GATE BUTTERFLY BUTTERFLY SIZE SHUTOFF VALVES VALVES VALVES VALVES E VALVES FLANGED GROOVED FLANGED GROOVED ° i in. mm Ibs. I kg Ibs. I kg Ibs. kg Ibs. I kg Ibs. I kg 2 1/2 65 105 48 192 87 184 83 157 71 147 67 3 80 104 47 210 95 200 91 162 73 148 67 F 4 100 91 41 230 104 204 93 147 66 139 63 6 150 141 64 362 164 332 151 246 111 215 98 B f G 8 200 302 137 762 346 738 335 491 223 445 202 10 250 355 161 1 1024 464 902 1 409 628 285 1 570 259 MODEL 350ADA with BG option MODEL DIMENSION(approximate) 350ADA A WITH B LESS E E WITH SIZE A BUTTERFLY GATE C D E OS&Y BUTTERFLY F G Attention: VALVES VALVES OS&Y OPEN CLOSED VALVES Model 350ADA in mm in I mm in I mm in mm in mm in mm in I mm in mm in mm in I mm in mm (grooved body) 21/2 65 351/8 892 321/8 816 201/8 511 41/2 114 9 229 173/4 451 153/8 391 17 432 6 152 71/4 184 and Model350DA 3 80 361/8 918 33 838 201/8 511 41/2 114 9 229 201/4 514 17 432 17 432 6 152 71/4 184 E04 (flange body) 100 381/4 972 331/4 845 197/8 505 41/2 114 9 229 22 1/2 572 181/4 464 17 432 6 152 8 203150 471/4 1200 401/4 1022 257/8 657 51/2 140 101/2 267 301/2 775 241/4 616 171/2 445 7 178 10 254 have different lay 200 62 1575 55 1397 381/2 978 10 254 12 305 37 940 281/2 724 1615/16 430 81/2 216 11 279 lengths. 250 64 5/8 1641 59 1499 38 1/2 978 10 254 12 305 45 5/8 1159 34 3/4 883 16 15/16 430 81/2 216 12 305 Zurn Industries,LLC Wilkins Rev. M 1747 Commerce Way,Paso Robles,CA U.S.A.93446 Ph.855-663-9876,Fax 805-238-5766 Date:08/20 In Canada I Zurn Industries Limited Document No.BF-350ADA Product No. Model 350ADA 7900 Goreway Drive,Unit 10,Brampton,Ontario L6T 5W6,877-892-5216 Patent zurn.com/patents www.zurn.com Page 1 of 2