Combined Shape
Combined Shape

products

Apollo Bronze Pressure Vacuum Breaker with Union End Ball Valves, SAE Threaded Test Cocks (2 x Union FNPT)

group: 4ALF50XA4F

The Apollo® Model DC4A and DCLF4A Series Lead Free* & Non-Lead Free Double Check Valves prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable to the potable water supply, but non-health hazards. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features ball valve shutoffs with stainless steel handles and nuts as standard and carries the five-year Apollo® factory warranty.
  • Low Pressure Loss
  • Captured Spring Cartridge Check Valves
  • Compact, Yet Easy to Maintain
  • Ball Valve Shut-offs w/ SS Handles & Nuts Standard
  • Top Access for Fast Testing & Maintenance
  • Threaded Testcock Protectors
  • Corrosion Resistant
  • No Special Tools Required
  • 5 Year Warranty
  • Chloramine-Resistant Elastomers
  • Designed, Cast, Machined, Assembled and Tested in the USA
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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/ANSI 372

NSF/ANSI 372

NSF/ANSI 61

NSF/ANSI 61

item number

size

item number

4ALF504A4F

size

3/4" (DN20)

item number

4ALF505A4F

size

1" (DN25)

technical drawing for product

characteristics

materials

bronze

finishing

none

connection type

internal thread SAE, internal thread sae

general

product group

valves (backflow preventers)

ETIM class

EC011469 Check valve

brand

Apollo

series

4A Series Backflow Preventers

type

4ALF50XA4F

image for 4A-500 Image

image | png

4A-500 Image

diagram |

4A_4ALF-500 Diagram

submittal sheet | pdf

4ALF-500 A2 A4 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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