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Product Image for Apollo Reduced Pressure Principle Backflow Preventer with Y-Strainer, NRS Shut-Off Valves (2 x Flange)

group: 4ANLF21X02

The 2-1/2” – 12” Reduced Pressure Detector Assembly shall be an Apollo® Model RPDALF4AN or RPDA2LF4AN. The assembly shall be manufactured in America and carry a 5-year Apollo® factory warranty. The normally vertical up / vertical down oriented body shall incorporate an internal swivel connection providing the ability to pivot the second check 180°, producing a vertical up RPDA assembly (2-1/2” – 8” only). The TriForceTM center-stem guided check valves shall feature reversible silicone rubber seat discs. The check valves shall be held in place by drop-in retainers (2 1/2” – 6”) or SS studs & nuts (8” – 12”). Access to the check valves and relief valve internals shall be by an Apollo® quick-connect SS coupling (2-1/2” – 6”) or grooved couplings (covers) and SS bolts (relief valves) (8” – 12”). The bodies shall be domestic SS in 2-1/2” – 8” sizes and FDA epoxycoated ductile iron in 10” & 12” sizes. The assembly is a mainline RP with a Type 2 bypass consisting of a lead free* single check (SCV) and meter bypassing the mainline second check to prevent backflow while accurately measuring all flows up to 2 gpm with the mainline 2nd check remaining closed. Assemblies with the optional Type 1 bypass consist of a lead free* RP and meter which bypasses both mainline checks and accurately meters all flows up to 2 gpm with both mainline checks closed. The Apollo® domestic ball valve test cocks shall have SS handles. The assembly shall prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are health and non-health hazards. The pressure drop across the assembly shall be documented by an independent laboratory.

Domestic Stainless Steel Body: 2-1/2”-8”
FDA Epoxy Coated Ductile Iron Body: 10” & 12”
Easy Maintenance: No Special Tools Required
Drop-In Check Retainers: 2-1/2”-6”
Bolted-In Checks: 8”-12”
Low Pressure Loss as Documented by an Independent Approval Laboratory
Center Stem Guided TriForce™ Check Valves
Modular Captured Spring Relief Valve
Optional Air Gap Drains
Small Installation Space Required - Small Footprint
Approved for n-Flow and Vertical Up Flow
Chloramine-Resistant Elastomers
Made in the USA (D Option)
Optional Valve Setters Eliminate Need for Thrust Blocks Below Grade
US Patent Nos.: 6,443,184; 7,025,085; 7,533,699
5 Year Warranty
Optional Mounting of Bypass on Either Side for Ease of Installation

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potable water

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commercial building

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no approvals available

item number

size

dimensions

weight

packaging

gtin

item number

size

6" (DN150)

dimensions

-

weight

179.17 kg

packaging

carton (1 pce)

gtin

00670750753848

item number

size

item number

4ANLF21C02

size

6" (DN150)

characteristics

materials

finishing

none

connection type

flange

general

product group

valves (backflow preventers)

ETIM class

EC011469 Check valve

brand

Apollo

series

4AN Series Backflow Preventers

type

4ANLF21X02

technical

max operating pressure liquid

12.07 bar

image for 4ANLF-200 Image

image | png

4ANLF-200 Image

image for 4ANLF-200 Diagram

diagram | png

4ANLF-200 Diagram

submittal sheet | pdf

4ANLF-200 Submittal Sheet

installation- & maintenance document | pdf

Reduced Pressure Backflow Mainetance Manual

label

value

label

ETIM class

value

EC011469 Check valve

label

Surface protection

value

Untreated

label

Connections

value

Flange

label

Height

value

0mm

label

Max. operating pressure at 20 °C

value

12.07bar

label

Max. operating pressure at 20 °C (imperial)

value

175psi

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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