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ZURN. fflc dss 3500A <br /> Double Check Detector Assembly <br /> Application <br /> Designed for installation on water lines in fire protection systems w,rK,Ns <br /> to protect against both backsiphonage and backpressure of <br /> polluted water into the potable water supply. Model 350DA <br /> shall provide protection where a potential health hazard does �' v <br /> not exist. Incorporates metered by-pass to detect leaks and ' <br /> unauthorized water use. <br /> Standards Compliance(Sizes 21/2"-10"Horiz.&Vert.) <br /> (12" Horizontal Only) <br /> •ASSEO Listed 1048 (Sizes 2 1/2"thru 12".) Fica <br /> •CSAO Certified B64.5(Sizes 2 1/2"thru 8",&12") <br /> •AWWA Compliant C510(Sizes 2 1/2"thru 12"),and C550 Options <br /> • ULO Classified (Sizes 2 1/2 thru 12") (Suffixes can be combined) <br /> •C-ULO Classified (Sizes 21/2"thru 12") ❑ - with OS&Y gate valves(standard) <br /> • FMO Approved(Sizes 2 1/2"thru 10") ❑ L - less shut-off valves(flanged body <br /> • NYC MEA 147-99-M Vol 4(2-1/2"-10) connections) <br /> •Approved by the Foundation for Cross Connection ❑ LM- less water meter <br /> Control and Hydraulic Research at.the University of Southern - with remote reading meter <br /> California(Sizes 2 1/2"thru 12'') - with gallon meter(standard) <br /> • NSFO Listed-Standard 61,Annex G' ❑ CFM- with cu ft meter <br /> (0.25%MAX.WEIGHTED AVERAGE LEAD CONTENT) ❑CMM- with cu meter meter <br /> Materials ❑ G- with groove end gate valves <br /> Main valve body Ductile Iron ASTM A 536 Grade 4 <br /> A ❑ FG- with flanged inlet gate connection and <br /> Access covers Ductile Iron ASTM A 536 Grade 4 <br /> grooved outlet gate connection <br /> Coatings FDA Approved fusion epoxy finish ❑ PI- with Post Indicator Gate Valve(3"-10") <br /> Internals Stainless steel,300 Series <br /> NORYLTM,NSF Listed Accessories <br /> Fasteners -Stainless Steel,300 Series <br /> ❑ Repair kit(rubber only) <br /> Elastomers EPDM(FDA approved) <br /> ❑ Thermal expansion tank(Model XT) <br /> Buna Nitrile(FDA approved) ❑ OS&Y Gate valve tamper switch(OSY 40) <br /> Polymers NORYLT"',NSF Listed <br /> Springs Stainless Steel,300 Series <br /> Features <br /> Sizes:2 1/2",3",4",6",8",10",12" <br /> Maximum working water pressure 175 PSI <br /> Maximum working water temperature 140"F <br /> Hydrostatic test pressure 350 PSI <br /> End connections (Grooved for steel) AWWA C606 <br /> (Flanged) ANSI B16.1 Class 125 <br /> E 4—D— <br /> Attention: <br /> •• Model 350DA(flange body) <br /> 00o and Model 350ADA(grooved <br /> body)have different lay <br /> lengths. <br /> Dimensions&Weights(do not Include pkg.) <br /> MODEL DIMENSION(approximale WEIGHT <br /> 350DA B LESS ! E WITHOUT WITH OS&Y <br /> SIZE A GATE C D OS&Y OPEN OS&Y F GATES GATE <br /> VALVES CLOSED VALVES VALVES <br /> In. mm in. mm In.. mm In. mm in. mm in. I mm in. mm In. I mm lbs. kg lbs. I kg <br /> 2112 65 31 787 157181 403 3 3/4 95 9 229 16 3/8 416 13 7/8 352 3112 89 68 30.9 178 80.8 - <br /> 3 80 32 813 157/81 403 3 3/4 95 9 229 18 7/8 479 15 518 •397 3 1/2 89 68 30.9 198 90 <br /> 4 100 137518 956 19 112 495 4 1/2 114 9 229 22 3/4 578 18 1/4 464 6 152 106 48 296 134.4 <br /> 6 150 44 314 1137 23 1/2 597 5 i/2 140 10112 267 30 1/8 765 23 3!4 603 7 178 180 81.7 480 217.9 <br /> 8 200 60 3/4 1543 37 3/4 959 10 254 12 305 37 3/4 959 29 1/4 743 8 1/2 216 374 .170 850 385.9 <br /> 10 250 63 3/4 1619 37 3/4 959 10 254 12 305 45 3/4 1162 35 3/8 899 81/2 216 404 183 1222 554.8 <br /> 12 300 66 1/4 1683 38 965 10 254 12 305 53 1/8 1349 40 518 1032 8 7/8 226 463 210 1623 736.2 <br /> Zurn Industries,LLC I Wilkins Rev.B <br /> 1747 Commerce Way,Paso Robles,CA U.S.A.93446 Ph.855-663-9a76,Fax 805-238-5766 Date:12/13 <br /> In Canada I Zurn Industries Limited Document No.BF-350DA <br /> 3544 Nashua Drive,Mississauga,Ontario L4V iL2 Ph.905-405-8272,Fax 905-405-1292 Patent No.5,913,331 <br /> Product No.Model 3500A <br /> www.zuVn.ccm Page 1 of 2 <br />