ES-007 For Non-Health Hazard Applications Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor –––––––––––––––––––––––––––––––––––––––––––– Job Location ––––––––––––––––––––––––––––––––––––––––– Approval Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––– Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––––––– –––––––––––––––––––––––––––––––––––––––– Series 007 Double Check Valve Assemblies Sizes: 1⁄2" – 3" (15 – 80mm) Series 007 Double Check Valve Assemblies shall be installed at referenced cross-connections to prevent the backflow of polluted water into the potable water supply. Only those cross-connections identified by local inspection authorities as non-health hazard shall be allowed the use of an approved double check valve assembly. 34 ⁄ " (20mm) 007M3QT Check with local authority having jurisdiction regarding vertical orientation, frequency of testing or other installation requirements. The valve shall meet the requirements of ASSE Std. 1015 and AWWA Std. C510. Approved by the Foundation for CrossConnection Control and Hydraulic Research at the University of Southern California. Features • Ease of maintenance — only one cover • Top entry • Replaceable seats and seat discs 2" (50mm) 007M1QT HC Test Cocks • Modular construction • Compact design • Cast bronze body construction — 1⁄2" – 2" (15 – 50mm) • Fused epoxy coated cast iron body — 21⁄2" – 3" (65 – 80mm) • Top mounted ball valve test cocks • Low pressure drop • No special tools required for servicing • 1⁄2" – 1" (15 – 25mm) have tee handles Specifications A Double Check Valve Assembly shall be installed at each noted location. The assembly shall consist of two positive seating check modules with captured springs and rubber seat discs. The check module seats and seat discs shall be replaceable. Service of all internal components shall be through a single bronze or stainless steel access cover secured with stainless steel bolts. The assembly shall also include two resilient seated isolation valves; four top mounted, resilient seated test cocks. The assembly shall meet the requirements of ASSE Std. 1015 and AWWA Std. C510. Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California. Assembly shall be a Watts Series 007. First Check Module Assembly Second Check Module Assembly The 007 Series features a modular design concept which facilitates complete maintenance and assembly by retaining the spring load. Now Available WattsBox Insulated Enclosures. For more information, send for literature ES-WB. IMPORTANT: INQUIRE WITH GOVERNING AUTHORITIES FOR LOCAL INSTALLATION REQUIREMENTS Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.