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Apollo Bronze Dual Check Valve with Female Meter Swivel Inlet x FNPT Outlet

group: 4NLF3S00A

The Lead Free* Apollo® Model DUCLF4N (4NLF-300) Dual Check Valve prevents backflow by either backpressure or back-siphonage from a cross-connection between potable water lines and substances that are objectionable, but not health hazards. Proudly made In the USA.
  • Lead Free* AB 1953 certified
  • Corrosion Resistant
  • Replaceable Check Modules
  • Available In Standard And Swivel Connections
  • 100% Manufactured in USA
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item number

size

item number

4NLF3S55A

size

1" (DN25)

item number

4NLF3S65A

size

1" (DN25)

technical drawing for product

characteristics

materials

bronze

finishing

none

general

product group

valves (backflow preventers)

ETIM class

EC011469 Check valve

brand

Apollo

series

4N Series Backflow Preventers

type

4NLF3S00A

image for 4NLF300

image | png

4NLF300

image for 4NLF-300 Diagram

diagram | png

4NLF-300 Diagram

submittal sheet | pdf

4NLF-300 Submittal Sheet

label

value

label

ETIM class

label

Housing material

value

Bronze

label

Surface protection

value

Untreated

label

Height

value

0mm

label

FM quality mark

value

No

label

UL quality mark

value

No

label

ULC quality mark

value

No

label

LPCB quality mark

value

No

label

Suitable for central heating water

value

No

label

Certified according to SVGW for water

value

No

label

Certified according to SVGW for gas

value

No

label

VdS quality mark

value

No

label

DVGW quality mark for gas

value

No

label

DVGW quality mark for water

value

No

label

KIWA certified

value

No

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