Ames Fire & Waterworks 1000DCV Steel Detector Check Valves - Manual

RP/IS-A-1000DCV
1000DCV
Installation, Maintenance, & Repair
Series 1000DCV
Detector Check Valve Assemblies
Sizes: 4" – 10" (100 – 250mm)**
NOTICE
For Australia and New Zealand, line strainers should be installed
between the upstream shutoff valve and the inlet of the backflow
preventer.
Testing
For field testing procedure, refer to Ames installation sheets
IS-A-ATG-1 found on www.amesfirewater.com.
For other repair kits and service parts, refer to our Backflow
Prevention Products Repair Kits & Service Parts price list
PL-A-RP-BPD found on www.amesfirewater.com.
For technical assistance, contact your local Ames representative.
** Metric Dimensions are nominal pipe diameter. This product is
produced with ASME/ANSI flanged end connections.
WARNING !
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can
result in death, serious personal injury, property damage, or
damage to the equipment.
Keep this Manual for future reference.
You are required to consult the local building and plumbing
codes prior to installation. If the information in this manual
is not consistent with local building or plumbing codes,
the local codes should be followed. Inquire with governing
authorities for additional local requirements.
WARNING !
Need for Periodic Inspection/Maintenance: This product must
be tested periodically in compliance with local codes, but at least
once per year or more as service conditions warrant. If installed on
a fire suppression system, all mechanical checks, such as alarms
and backflow preventers, should be flow tested and inspected in
accordance with NFPA 13 and/or NFPA 25. All products must be
retested once maintenance has been performed. Corrosive water
conditions, and/or unauthorized adjustments or repair could render
the product ineffective for the service intended. Regular checking
and cleaning of the product’s internal components helps assure
maximum life and proper product function.
WARNING !
NOTICE
Installation
A. The installation and maintenance of any Ames Detector Check
Valve should be performed by a qualified licensed technician.
Failure to do so may result in a malfunctioning assembly. All
instructions should be read thoroughly by the technician before
installation or performing any maintenance on the assembly.
B. Before installing an Ames Detector Check Valve, flush the lines
thoroughly to remove all debris, chips and other foreign objects.
Failure to do so may make the assembly inoperable.
WARNING ! Depressurize valve before servicing.
Removal & Replacement
of Knuckle Joint Assembly
(Internal Closing Assembly)
1. Shut down water system and lock out if possible.
2. Loosen vent screw in lid slowly to ensure system pressure has
been relieved.
3. Loosen and remove all inspection port bolts and remove
lid and gasket from valve.
4. Install proper size clapper retainer clip (see Figure 1).
Be sure clip is pushed to within 1 ⁄
2
” of linkage.
5. Loosen equally the two knuckle joint mounting bolts, until as-
sembly is free. As bolts are loosened, linkage will release slightly
and lock clapper retainer clip in place.
6. Remove knuckle joint from body assuring clapper retainer clip is
not disturbed, as preloaded knuckle joint springs have consider-
able tension in this position.
Basic Installation Instructions
www.amesfirewater.com
A Watts Water Technologies Company