1500 52ND ST SE 2024-07-22 - Laserfiche WebLink

ES-A-Deringer 30G Engineering • - • Job Name Contractor Job Location Approval Engineer Contractor's P.O. No. Approval Representative DeringerTM 30G Double Check Detector Valve Assembly Sizes: 2'/z"-8" The DeringerTM 30G Double Check Detector Valve Assembly (DCDA-II) prevents non-health hazard pollutants from entering a potable water supply system when backpressure and/or backsiphonage conditions occur. Used primarily on •- • fire sprinkler systems when monitoring of unauthorized water use is required. Approved for Fire Protection,Waterworks, Plumbing, Features and Irrigation Applications. • Stem includes tamper switch groove Materials • Inline serviceable gate valves • Stainless steel housing Valve Housing: 304 Stainless Steel •Tamper-resistant test cocks Valve Cover: 304 Stainless Steel • Patented Dual-actionTM check modules SOV Disks: EPDM/304SS - Poppet action at low flow SOV Shafts: 304 Stainless Steel -Swing action at high flow Bypass Spring: 302 Stainless Steel • Lead Free*bronze bypass componets SOV Bearings: PTFE/Bronze • CuFt or gallons bypass meter Non-wetted Bolts: Grade 8 Zinc Plated •AWWA C509/UL/FM resilient seated Check Disks: Silicone(NSF) gate valves(OS&Y) Wetted Fasteners: 18-8 Stainless Steel • DCDA-II Single Check Bypass Bypass Components: Lead Free Bronze • Silicone elastomer check discs Check Springs: 17-7 Stainless Steel • Flanged end ANSI B16.1 Class125 Check Pins: 17-7/18-8 Stainless Steel Check Seats: NoryI8 Polymer(NSF) • Flexible groove coupling UL/FM (between body and O-rings: Buna-N (NSF) gate valves) Bypass Internals: ABS Polymer(NSF) Specifications Pressure — Temperature The Deringer 30G Double Check Detector Assembly Valve shall Temperature Range:33°F—140°F utilize two independent Dual-action check modules contained within Working Pressure: 10-175psi a single valve housing constructed entirely of 304 stainless steel. Dual-action check modules shall operate as a"poppet style"check under low flow conditions,operate as a"swing style"check under "The wetted surface of this product contacted by consumable high flow conditions and utilize replaceable silicone elastomer water contains less than 0.25/o of lead by weight. sealing discs.Valve assembly shall include two resiliently seated NorylO is a registered trademark of SHPP Global Technologies B.V. and inline serviceable AWWA C509 gate valves of type outside yoke and stem(OS&Y). Both gate valves shall include a stainless steel stem with pre-machined groove for installation of supervisory tamper switches.Assembly test cocks shall be handle-less and operate via a tamper resistant actuator.Assembly shall have a single full access The information contained herein is not intended service port and cover with an"inline"replaceable elastomer cover to replace the full product installation and safety seal.The bypass assembly shall include a meter registering either information available or the experience of a gallons or cubic feet,a single check valve and required test cocks. trained product installer.You are required to Assembly shall be serviceable without special tools and approved thoroughly read all installation instructions and product safety information before beginning the for both horizontal and vertical applications. installation of this product. lk A M Ames Fire&Waterworks product specifications in U.S.customary units and metric are approximate and are provided for reference only.For precise E S measurements,please contact Ames Fire&Waterworks Technical Service.Ames Fire&Waterworks reserves the right to change or modify product design, FIRE&WATERWORKS construction,specifications,or materials without prior notice and without incurring any obligation to make such changes and modifications on Ames Fire& Waterworks products previously or subsequently sold. A WATTS Brand