Combined Shape
Combined Shape

products

Apollo Bronze Double Check Valve Assembly with Slow-Close Ball Valves Standard Configuration (2 x FNPT)

group: 4ALF20XT2ST

The Apollo® Model RP4A series Reduced Pressure and RPLF4A Lead Free* Reduced Pressure Backflow Preventers provide maximum protection of the potable water supply due to back-siphonage or backpressure from substances that are hazardous to the potable water supply. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features Apollo® UL® Listed, slow-close, full open port, gear operated ball valves with integral tamper switches and carries the five-year Apollo® factory warranty.
  • low pressure loss documented by independent approval agencies
  • easily removable modular check valve cartridges
  • captured stainless steel springs
  • Apollo® UL® listed, slow-close, full open port, gear operated ball valves with integral tamper switches
  • top-mounted test cocks for easy testing
  • no special tools required
  • chloramine-resistant elastomers
  • designed, cast, machined, assembled  and tested in the USA
  • short lay-length for small spaces
  • pre-wired tamper (supervisory) switches

 

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applications

potable water

potable water

segments

residential

residential

fire protection

fire protection

datacenters

datacenters

commercial building

commercial building

industry

industry

approvals

ASSE 1003

ASSE 1003

IAPMO/ANSI/CAN Z1117

IAPMO/ANSI/CAN Z1117

NSF

NSF

NSF/ANSI 372

NSF/ANSI 372

NSF/ANSI 61

NSF/ANSI 61

item number

size

item number

4ALF207T2ST

size

1-1/2" (DN40)

technical drawing for product

characteristics

materials

bronze

finishing

none

connection type

FPT - female thread conical (NPT)

general

product group

valves (backflow preventers)

ETIM class

EC011469 Check valve

brand

Apollo

series

4A Series Backflow Preventers

type

4ALF20XT2ST

image for 4ALF-200 Large Diameter Image

image | png

4ALF-200 Large Diameter Image

certifications | pdf

NSF_RPLF4A_Series_backflow_preventer

submittal sheet | pdf

4ALF-200 Submittal Sheet

label

value

label

ETIM class

label

Housing material

value

Bronze

label

Surface protection

value

Untreated

label

Connections

value

Internal thread conical (NPT)

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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