Check-Flex G3-C Duckbill Check Valve

Duckbill valve for concrete pipe

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Vulcanised and reinforced like a tyre for durability

Flexible and wide seal

Flange drilling to match any mating flange

Sizes to fit all pipes

Encapsulated metal with strong single piece design for marine diffuser applications

Nominal Pipe Size

DN450 Concrete Pipe

Check-Flex G3-C0450
ID: 570-590mm
L: 945mm
H: 828mm
W: 200mm

DN525mm Concrete Pipe

Check-Flex G3-C0525
ID: 670-690mm
L: 1106mm
H: 964mm
W: 200mm

DN600 Concrete Pipe

Check-Flex G3-C0600
ID: 770-790mm
L: 1198mm
H: 1151mm
W: 200mm

DN675 Concrete Pipe

ICheck-Flex G3-C0675
ID: 810-850mm
L: 1334mm
H: 1254mm
W: 250mm

DN750 Concrete Pipe

Check-Flex G3-C0750
ID: 910-940mm
L: 1334mm
H: 1254mm
W: 250mm

DN900 Concrete Pipe

Check-Flex G3-C0900
ID: 1040-1090mm
L: 1619mm
H: 1512mm
W: 250mm

DN1050 Concrete Pipe

Check-Flex G3-C1050
ID: 1230-1280mm
L: 1720mm
H: 1725mm
W: 300mm

DN1200 Concrete Pipe

Check-Flex G3-C1200
ID: 1440-1490mm
L: 1910mm
H: 1935mm
W: 300mm

DN1350 Concrete Pipe

Check-Flex G3-C1350
ID: 1540-1590mm
L: 2060mm
H: 2140mm
W: 300mm

DN1500 Concrete Pipe

Check-Flex G3-C1500
ID: 1740-1790mm
L: 2239mm
H: 2170mm
W: 300mm

Table displaying model, style, pipe size range, and pipe connection options for various products.

Info

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Model	Style	Pipe Size Range	Pipe Connection
			-S	-C	-W	-F / -Fi / -Fd	-G
G5	Inline Fabricated	80–3000mm	-		-	-	-
G5M	Inline Moulded	100–150mm	-
G5-RESI	Inline EN13564-1	80–200mm	-
G4	Duckbill Fabricated	100–2400mm	-	-	-	-	-
G3	Duckbill Fabricated	100–2400mm	-	-	-	-	-
G3M	Duckbill Moulded	100–150mm	-
G2	Inline Duckbill Fabricated	50–300mm				-