Warranty

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3939
BACKFLOW
PREVENTERS
BACKFLOW PREVENTERS
ACCESSORIES STRAINERS
AUTOMATIC
CONTROL VALVES
PRESSURE
REDUCING VALVES
FIRE
PROTECTION VALVES
THERMOSTATIC
MIXING VALVES RELIEF VALVES
MISCELLANEOUS
PLUMBING PRODUCTS REPAIR KITS
SIZE
LEAD-FREE EXEMPT
PART NUMBER
LEAD-FREE EXEMPT
LIST PRICE EA.
310: FLANGED X FLANGED
” - 1,142.80
” - 1,597.00
” - 4,770.10
310G: GROOVED X GROOVED
” -G 1,142.80
” -G 1,597.00
” -G 4,770.10
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.
310DA: FLANGED X FLANGED, GPM METER
” -DA 1,928.00
” -DA 2,383.00
” -DA 5,359.90
310DAG: GROOVED X GROOVED, GPM METER
” -DAG 1,928.00
” -DAG 2,383.00
” -DAG 5,359.90
310DAOSY: FLANGED X FLANGED, GPM METER, OS & Y GATE
VALVES
” -DAOSY 3,566.70
” -DAOSY 4,952.10
” -DAOSY 8,245.20
For grooved options part number will be designated
using “GF” “FG” or “G” (eg -OSYFG -OSYGF
-OSYG)
Other OS&Y Connection Options - Grooved x Flanged (GF)
Flanged x Grooved (FG) and Grooved x Grooved (G)
APPLICATIONS
Designed for use in water systems to prevent the reverse
flow of non-hazardous substances into the remainder of
the system. Used to protect upstream equipment, not
adequate for low or high hazard backflow prevention.
FEATURES
• 4” - 10”
• 175 psi max
• 140°F max
• Available as a 310DA, with detector assembly for fire
protection
• Epoxy-coated ductile iron body
• Utilizes modular, center-stem guided Compound
Check
APPROVALS AND APPLICABLE
SPECIFICATIONS
• FM® Approved, UL® Listed & C-UL® Listed (4” & 6”)
• Certified to NSF/ANSI 372 (4”, 6” & 8”)
TYPICAL INSTALLATION
Check with local water authority for installation
requirements
TYPICAL INSTALLATION
OUTDOOR INSTALLATION
(310DAOSY)
PROTECTIVE
ENCLOSURE
12" MIN.
30" MAX.
DIRECTION OF FLOW
VERTICAL INSTALLATION
(310DAOSYG)
DIRECTION OF FLOW
OPTIONS AND LIST PRICE ADDERS
(ADD OPTION TO LIST PRICE TO DETERMINE TOTAL LIST PRICE)
CUBIC FEET METER (CFM) OPTION
” - ” No Charge
Part number will be designated using “CFM” (eg
-DACFM -DACFM -DACFMOSY)
SENSUS CUBIC FEET METER (SCFM) OPTION
” - ” 145.90
Part number will be designated using “SCFM” (eg
-DASCFM -DASCFM -DASCFMOSY)
LESS METER (LM) OPTION
” - ” (229.20)
Part number will be designated using “LM” (eg -DALM
-DALMFG -DALMOSY)
310/310DA SERIES – SINGLE CHECK VALVE ASSEMBLY