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FLAP VALVE WITH COUNTERWEIGHT
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TECHNICAL SHEET |
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FLAP VALVE WITHOUT COUNTERWEIGHT
CN TYPE |
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TECHNICAL SHEET |
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FUNCTION
Prevents water backflow in a pipe or duct leading to open air.
Counterweights can be placed for opening or closing assistance.
DIMENSIONS
Circular section with diameters 100 to
1 200 mm
Other dimensions on request
Can be made square or rectangular on request
CONNECTION
Surface mounting on structure : Serie A
Sealed into the structure : Serie S
Through ISO PN 10 flange : Serie B |
LIMITS OF USE
Height of water : 5 m
Height of water higher than 5 m on request
CONSTRUCTION
. Casing : coated steel
. Arm : coated steel
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Door leaf : coated steel
. Axis : 303 stainless steel
. Seat ring : 304 L stainless steel
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Seal : acrylonitrile
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Collar : 304 L stainless steel
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