Watts 7 - Manual

For Non-Health Hazard Applications
ES-007
Now Available
WattsBox Insulated Enclosures.
For more information, send for literature ES-WB.
Series 007
Double Check Valve Assemblies
Sizes: 1 ⁄
2
" – 2"
Series 007 Double Check Valve Assemblies are designed to
protect drinking water supplies from dangerous cross-connec-
tions in accordance with national plumbing codes and water
authority requirements for non-potable service applications
such as irrigation, fireline, or industrial processing. 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.
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 Cross-
Connection Control and Hydraulic Research at the University of
Southern California.
Features
• Ease of maintenance — only one cover
• Top entry
• Replaceable seats and seat discs
• Modular construction
• Compact design
• Cast bronze body construction —
1 ⁄
2
" – 2"
• Top mounted ball valve test cocks
• Low pressure drop
• No special tools required for servicing
•
1 ⁄
2
" – 1" 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 resil-
ient 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.
1" 007M1QT
1" 007M1QT-S
Test Cocks
First Check
Module Assembly
The 007 Series features a modular design concept which facilitates
complete maintenance and assembly by retaining the spring load.
Second Check
Module Assembly
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 with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
Job Name ––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location ––––––––––––––––––––––––––––––––––––––––– Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer ––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval ––––––––––––––––––––––––––––––––––––––––––––– Representative ––––––––––––––––––––––––––––––––––––––––
NOTICE
Inquire with governing authorities for local installation
requirements