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ES-A-Deringer 30 <br />Job Name <br />Job Location <br />Engineer — <br />Approval — <br />DeringerTM 30 <br />Double Check Detector Assembly <br />Sizes: 2"** - 8" <br />The DeringerTM 30 Double Check Detector Assembly (DCDA-ll) <br />prevents non -health hazard pollutants from entering a <br />potable water supply system when backpressure and/or <br />backsiphonage conditions occur. Used primarily on fire <br />sprinkler systems when monitoring of unauthorized water <br />use is required. <br />Features <br />• Integral shutoff valves indoor/outdoor application <br />• 100% stainless steel housing <br />• Tamper -resistant test cocks <br />• Patented Dual-actionTm check modules <br />- Poppet action at low flow <br />- Swing action at high flow <br />• Lead Free* Bronze bypass components <br />• CuFt or gallons bypass meter <br />• DCDA-II single check bypass <br />• Silicone elastomer check discs <br />• Prewired supervisory switches <br />• Flange adapters available <br />• IPS grooved ends <br />Specifications <br />The Deringer 30 Double Check Detector Assembly shall utilize <br />two independent Dual -action check modules and two integral <br />resiliently seated shut-off valves all of which shall be contained <br />within a single rigid valve housing constructed entirely of <br />304 stainless steel. Both integral shutoff valves shall include <br />pre -wired supervisory tamper switches contained within a <br />weatherproof actuator housing approved for both indoor and <br />outdoor use. Dual -action check modules shall operate as a <br />"poppet style" check under low flow conditions, operate as <br />a "swing style" check under high flow conditions and utilize <br />replaceable silicone elastomer sealing discs. Assembly test <br />cocks shall be handle -less and operate via a tamper resistant <br />actuator. Assembly shall have a single full access service port <br />and cover with an "inline" replaceable elastomer seal. The <br />bypass assembly shall include a meter registering either <br />gallons or cubic feet, a single check valve and required test <br />cocks. Assembly shall be serviceable without special tools and <br />approved for both horizontal and vertical applications. <br />Contractor <br />Approval <br />Contractor's P.O. No. <br />Representative <br />a v <br />U <br />w <br />> <br />HORIZONTAL <br />Approved for Fire Protection, Waterworks, Plumbing, <br />and Irrigation Applications. <br />Materials <br />Valve Housing: <br />304 Stainless Steel <br />Valve Cover: <br />304 Stainless Steel <br />SOV Disks: <br />EPDM/304SS <br />SOV Shafts: <br />304 Stainless Steel <br />Bypass Spring <br />302 Stainless Steel <br />SOV Bearings: <br />Teflon®fluoropolymer/Bronze <br />Non -wetted Bolts: <br />Grade 8 Zinc Plated <br />Check Disks: <br />Silicone (NSF) <br />Wetted Fasteners: <br />18-8 Stainless Steel <br />Bypass Components: <br />Lead Free Bronze <br />Check Springs: <br />17-7 Stainless Steel <br />Check Pins: <br />17-7/18-8 Stainless Steel <br />Check Seats: <br />Noryl® Polymer (NSF) <br />O-rings: <br />Buna-N (NSF) <br />Bypass Internals: <br />ABS Polymer (NSF) <br />Pressure — Temperature <br />Temperature Range: 33°F <br />-140°F <br />Working Pressure: 10-175psi <br />*The wetted surface of this product contacted by consumable <br />water contains less than 0.25% of lead by weight. <br />Teflon® is a registered trademark of The Chemours Company. <br />Nory10 is a registered trademark of SABIC Global Technologies B.V. <br />The information contained herein is not <br />intended to replace the full product installa- <br />tion and safety information available or the <br />experience of a trained product installer. You <br />are required to thoroughly read all installation <br />instructions and product safety information <br />before beginning the installation of <br />this product. <br />Ames Fire & Waterworks product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measure- <br />ments, please contact Ames Fire & Waterworks Technical Service. Ames Fire & Waterworks reserves the right to change or modify product design, construction, <br />specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Ames Fire & Waterworks products <br />previously or subsequently sold. <br />A M E S <br />FIRE & WATERWORKS <br />A WATTS Brand <br />