Check-Flex G4-F Duckbill Check Valve

Check-Flex Flanged Duckbill Valve for pipe or wall mounting

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DN50

Check-Flex G4-F0050
OD: 165mm
L: 160mm
H: 142mm

PN6: BCD Ø110mm 4x M12
PN10: BCD Ø125mm 4x M16
PN16: BCD Ø125mm 4x M16

DN80

Check-Flex G4-F0080
OD: 200mm
L: 232mm
H: 210mm

PN6: BCD Ø150mm 4x M16
PN10: BCD Ø160mm 4x M16
PN16: BCD Ø160mm 4x M16

DN100

Check-Flex G4-F0100
OD: 220mm
L: 270mm
H: 225mm

PN6: BCD Ø170mm 4x M16
PN10: BCD Ø180mm 8x M16
PN16: BCD Ø180mm 8x M16

DN150

Check-Flex G4-F0150
OD: 285mm
L: 340mm
H: 380mm

PN6: BCD Ø225mm 8x M16
PN10: BCD Ø240mm 8x M20
PN16: BCD Ø240mm 8x M20

DN200

Check-Flex G4-F0200
OD: 340mm
L: 360mm
H: 455mm

PN6: BCD Ø280mm 8x M16
PN10: BCD Ø295mm 12x M20
PN16: BCD Ø295mm 12x M20

DN250

Check-Flex G4-F0250
OD: 405mm
L: 450mm
H: 520mm

PN6: BCD Ø335 12x M16
PN10: BCD Ø350 12x M20
PN16: BCD Ø355 12x M24

DN300

Check-Flex G4-F0300
OD: 460mm
L: 605mm
H: 610mm

PN6: BCD Ø395mm 12x M20
PN10: BCD Ø400mm 12x M20
PN16: BCD Ø410mm 12x M24

DN350

Check-Flex G4-F0350
OD: 520mm
L: 640mm
H: 680mm

PN6: BCD Ø445mm 12x M20
PN10: BCD Ø460mm 16x M20
PN16: BCD Ø470mm 16x M24

DN400

Check-Flex G4-F0400
OD: 580mm
L: 705mm
H: 790mm

PN6: BCD Ø495mm 16x M20
PN10: BCD Ø515mm 16x M24
PN16: BCD Ø525mm 16x M27

DN450

Check-Flex G4-F0450
OD: 640mm
L: 760mm
H: 840mm

PN6: BCD Ø550mm 16x M20
PN10: BCD Ø565mm 20x M24
PN16: BCD Ø585mm 20x M27

DN500

Check-Flex G4-F0500
OD: 715mm
L: 785mm
H: 960mm

PN6: BCD Ø600mm 20x M20
PN10: BCD Ø620mm 20x M24
PN16: BCD Ø650mm 20x M30

DN600

Check-Flex G4-F0600
OD: 840mm
L: 970mm
H: 1100mm

PN6: BCD Ø705mm 20x M24
PN10: BCD Ø725mm 20x M27
PN16: BCD Ø770mm 20x M33

DN700

Check-Flex G4-F0700
OD: 840mm
L: 1100mm
H: 1300mm

PN6: BCD Ø810mm 24x M24
PN10: BCD Ø840mm 24x M27
PN16: BCD Ø840mm 24x M33

DN800

Check-Flex G4-F0800
OD: 1025mm
L: 1150mm
H: 1390mm

PN6: BCD Ø920mm 24x M27
PN10: BCD Ø950mm 24x M30
PN16: BCD Ø950mm 24x M36

DN900

Check-Flex G4-F0900
OD: 1125mm
L: 1330mm
H: 1690mm

PN6: BCD Ø1020mm 24x M27
PN10: BCD Ø1050mm 28x M30
PN16: BCD Ø1050mm 28x M36

DN1000

Check-Flex G4-F1000
OD: 1255mm
L: 1340mm
H: 1770mm

PN6: BCD Ø1120mm 24x M27
PN10: BCD Ø1160mm 28x M33
PN16: BCD Ø1170mm 28x M39

DN1200

Check-Flex G4-F1200
OD: 1485mm
L: 1540mm
H: 2070mm

PN6: BCD Ø1340mm 32x M30
PN10: BCD Ø1380mm 32x M36
PN16: BCD Ø1390mm 32x M45

DN1300-DN2500

Built to Order
Specify flange hole pattern

Info

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				-