916 PACIFIC AVE BASE FILE 2024-06-06

WILKINS. Model 350ADA a ALRN-@ company Double Check Detector Assembly SPECIFICATION SUBMITTAL SHEET APPLICATION Q Designed for installation on potable water lines connections in fire sprinkler systems to protect against both backsiphonage and backpressure of polluted water into the potable water supply. Model 350ADA shall provide protection where a potential health hazard does not exist. Incorporates metered by-pass to detect (with OS&Y gates) (with BGVIC valves) leaks and unauthorized water use. FEATURES STANDARDS COMPLIANCE (HORIZONTAL&VERTICAL) Sizes: ❑ 2 1/2"* ❑ 3"* ❑ 4" ❑ 6" ❑ 8" Ll 1011 • ASSE®Listed 1048 Maximum working water pressure 175 PSI • AWWA Compliant C510 (with gates only) Maximum working water temperature 140°F • CSA®Certified (4"-8") Hydrostatic test pressure 350 PSI . UL®Classified End connections (Grooved for steel pipe) AWWA C606 • C-UL®Classified (Flanged) ANSI B16.1 . FM@Approved Class 125 0 Approved by the Foundation for Cross Connection *2 1/2"&3"sizes use 4" body&reducer couplings OPTIONS Control and Hydraulic Research at the University of Southern California (Suffixes can be combined) • NYC MEA 221-04M-2(2 1/2"-8") ❑ - with flanged end OS&Y gate valves (standard) ❑ L - less shut-off valves (grooved body connections) MATERIALS ❑ LM - less water meter Main valve body Ductile Iron ASTM A 536 Grade 4 ❑ - with remote reading meter Access covers Ductile Iron ASTM A 536 Grade 4 ❑ - with gpm meter(standard) Coatings FDAApproved electrostatic epoxy finish ❑ - with cu ft/min meter Internals Stainless steel, 300 Series ❑ G - with grooved end OS&Y gate valves NORYLTM, NSF Listed ❑ FG - with flanged inlet gate connection and grooved Fasteners&springs Stainless Steel, 300 Series outlet gate connection Elastomers EPDM (FDA approved) ❑ PI - with Post Indicator Gate Valves (4"-10") Buna Nitrile (FDA approved) ❑BGVIC - with grooved end butterfly valves Polymers NORYLTM, NSF Listed ACCESSORIES ❑ Repair kit(rubber only) ❑ Thermal expansion tank(Model XT) ❑ OS&Y Gate valve tamper switch (OSY-40) E ❑ Test Cock Lock(Model TCL24) MODEL 350ADAko DIMENSIONS&WEIGHTS(do not include pkg.) with OS&Y option WEIGHT WITH B� FMODEL 350ADA WITHOUT WITH OS&Y WITH OS&Y SIZE GATES GATES(GXF) GATES(GXG) BUTTERFLY VALVES(GXG) in. mm Ibs. kg Ibs. I kg Ibs. I kg Ibs. kg 2 1/2 65 105 47.5 207 94 199 90.3 123.8 56.2 ° o 3 80 104 47 224 101.5 214 97 124.4 56.5 MODEL 350ADA with E 4 100 91 41.3 245 111 219 99.4 123 55.8 BGVIC option ® ® O 6 150 141 64 377 171 347 158 193 87.6 IF 8 200 302 137 778 353.2 754 342.3 410 186 �B� G 10 250 355 161 1 1040 1 472.7 918 1 416.5527 239.3 A c o MODEL DIMENSION(approximate) 350 ADA A WITH B LESS E E E WITH SIZE A BUTTERFLY GATE C D OS&Y OPEN OS&Y BUTTERFLY F G VALVES VALVES CLOSED VALVES Attention: in mm in I mm in I mm in mm in I mm in I mm in I mm in I mm in imm in mm in I mm Model 350ADA 21/2 65 1 351/8 892 321/8 816 201/8 511 41/2 114 9 229 163/8 416 137/8 352 8 203 6 152 71/4 184 (grooved body) 3 80 361/8 918 33 838 201/8 511 41/2 114 9 229 187/8 479 155/8 397 8 203 6 152 71/4 184 and Model 350DA 4 100 381/4 972 331/4 845 19 7/8 505 41/2 114 9 229 223/4 578 181/4 464 9 1/8 232 6 152 8 203 (flange body) 6 150 471/4 1200 401/4 1022 257/8 657 51/2 140 101/2 267 301/8 765 233/4 603 101/8 257 7178 10 254 have different lay 8 200 62 1575 55 1397 381/2 978 10 254 12 305 373/4 959 291/4 743 1115/16 303 81/2 216 11 279 lengths. 10 250 645/8 1642 581/2 1485 381/2 978 10 254 12 305 453/4 1162 353/8 899 135/16 338 81/212161 12 305 �• • (Patent No. • Page 1 of 2