Combined Shape
Combined Shape

products

Backflow Preventers DC, 4S SER,W/OS&Y GV

group: 4S10X03

The Apollo® Model DC4SGLF Double Check Valve is designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are non-health hazards. The modular check valves have replaceable seats and reversible EPDM seat discs. Grooved connections on an epoxy-coated ductile iron body allow for easy connection to butterfly valves or gate valves.
  • lightweight
  • short lay length
  • low pressure loss
  • modular check valves
  • individual access to check valves
  • corrosion resistant epxoy-coated ductile iron body
  • US patents #5,711,341 and #6,343,618
  • made in the USA
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applications

non-potable water

non-potable water

segments

fire protection

fire protection

commercial building

commercial building

approvals

CSA B356

CSA B356

FM

FM

UL

UL

item number

size

item number

4S10G03

size

10" (DN250)

technical drawing for product

characteristics

materials

cast iron

finishing

none

general

product group

valves (backflow preventers)

ETIM class

EC011469 Check valve

brand

Apollo

series

4S Series Backflow Preventers

type

4S10X03

image for 4S-100 Image

image | png

4S-100 Image

image for 4S-100 Diagram

diagram | png

4S-100 Diagram

submittal sheet | pdf

4S-100 Submittal Sheet

label

value

label

ETIM class

label

Housing material

value

Cast iron

label

Surface protection

value

Untreated

label

Height

value

0mm

label

FM quality mark

value

Yes

label

UL quality mark

value

Yes

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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