Warranty
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1414
BACKFLOW
PREVENTERS
BACKFLOW PREVENTERS
ACCESSORIESSTRAINERS
AUTOMATIC
CONTROL VALVES
PRESSURE
REDUCING VALVES
FIRE
PROTECTION VALVES
THERMOSTATIC
MIXING VALVESRELIEF VALVES
MISCELLANEOUS
PLUMBING PRODUCTSREPAIR KITS
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.
450: FLANGED NRS X FLANGED NRS
-” - 3,248.70
” - 3,416.90
” - 4,577.40
” - 6,452.30
” - 11,691.30
” - 19,233.50
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -FG -GF -G)
450OSY: FLANGED OSY X FLANGED OSY
-” -OSY 3,926.00
” -OSY 4,118.10
” -OSY 4,881.20
” -OSY 6,945.40
” -OSY 12,517.30
” -OSY 19,591.10
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -OSYFG -OSYGF -
OSYG)
450PI: FLANGED PI X FLANGED PI
-” -PI 3,926.00
” -PI 4,118.10
” -PI 4,881.20
” -PI 6,945.40
” -PI 12,517.30
” -PI 19,591.10
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -PIFG -PIGF -PIG)
450BG: GROOVED BG X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
” -BG 5,374.10
” -BG 7,646.70
” -BG 13,781.60
” -BG 20,751.50
450BF: FLANGED BF X FLANGED BF (TAMPERED BUTTERFLY
VALVES)
” -BF 5,630.90
” -BF 7,974.60
” -BF 14,125.50
” -BF 21,118.40
450BFG: FLANGED BF X GROOVED BG (TAMPERED
BUTTERFLY VALVES)
” -BFG 5,502.60
” -BFG 7,810.60
” -BFG 13,953.50
” -BFG 20,934.90
450NRSOSY: FLANGED NRS X FLANGED OSY
-” -NRSOSY 3,587.50
” -NRSOSY 3,767.50
” -NRSOSY 4,729.40
” -NRSOSY 6,699.00
” -NRSOSY 12,104.50
” -NRSOSY 19,412.30
450NRSPI: FLANGED NRS X FLANGED PI
-” -NRSPI 3,587.50
” -NRSPI 3,767.50
” -NRSPI 4,729.40
” -NRSPI 6,699.00
” -NRSPI 12,104.50
” -NRSPI 19,412.30
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -NRSPIFG -OSYNRSGF
-NRSOSYG)
450NRSBFG: FLANGED NRS X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
” -NRSBFG 4,975.60
” -NRSBFG 7,049.70
” -NRSBFG 12,736.40
” -NRSBFG 19,992.40
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -BNRSGF -NRSBFG
-BNRSG)
450 OSY & PI SHUT-OFF VALVE COMBINATIONS
-”-” Use OSY Pricing
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -PIOSYFG -OSYPIGF
-OSYPIG)
450OSYBFG: FLANGED OSY X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
” -OSYBFG 5,127.80
” -OSYBFG 7,296.10
” -OSYBFG 13,149.60
” -OSYBFG 20,171.30
450PIBFG: FLANGED PI X GROOVED BG (TAMPERED
BUTTERFLY VALVE)
” -PIBFG 5,127.80
” -PIBFG 7,296.10
” -PIBFG 13,149.60
” -PIBFG 20,171.30
For grooved options part number will be designated using
“GF” “FG” or “G” (eg -OSYBFG -BOSYGF -
PIBG)
450L: LESS GATE VALVES (FLANGED END BODY
CONNECTIONS)
-” -L 2,665.90
” -L 2,665.90
450L: LESS GATE VALVES (GROOVED END BODY
CONNECTIONS)
” -L 2,977.40
” -L 4,594.40
” -L 8,886.10
” -L 13,297.00
Part number will be designated using “L” (eg -L
-L -L)
PROTECTIVE
ENCLOSURE
VALVE
SETTER
MJFS
DIRECTION OF FLOW
6" MIN.
TYPICAL INSTALLATION
APPLICATIONS
A large diameter double check in the “n” pattern, for
new or retrofit installations in tight locations.
FEATURES
• 2-1/2” - 10”
• 175 psi max
• 140°F max
• “n” pattern space saving design
• Epoxy coated ductile iron body
• Utilizes modular, center-stem guided Compound
Check
• Single access cover reduces maintenance down time
APPROVALS AND APPLICABLE
STANDARDS
• Approved by the Foundation for Cross-Connection
Control and Hydraulic Research at the University of
Southern California
• ASSE® Listed 1015, IAPMO® Listed, AWWA Compliant,
UL® Classified, C-UL® Classified, FM® Approved
• CSA® Certified
• Certified to NSF/ANSI 61 and 372
ACCESSORIES
• Thermal expansion tank (Model XT)
• Valve setter (Model FLS or MJS or MJFS)
• OS&Y gate valve supervisory switch (OSY-40)
• Quick test set (QT-SET)
450 SERIES – DOUBLE CHECK VALVE ASSEMBLY
SIZE
LEAD-FREE
PART NUMBER
LEAD-FREE
LIST PRICE EA.