Series 0070 pages

ES-007
For Non-Health Hazard Applications
Job Name
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Contractor ––––––––––––––––––––––––––––––––––––––––––––
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Approval
Engineer –––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No. –––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Representative
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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.