Flapper Check Valve

Basic information of Flapper Check Valve
This valve can be installed at the water outlet of the pump or the water outlet pipe to prevent backflow of the medium.
Features of Flapper Check Valve
1.Switch can be up to 100,000 times;
2. Full flow area, low flow resistance;
3. Less likely to accumulate debris;
4. Simple structure and convenient maintenance.
Principle of Flapper Check Valve
The sealing ring of this valve adopts the tilting design, and the closing time is short, which can reduce the water hammer pressure.
Installation and Commissioning of Flapper Check Valve
This valve can be installed in sewage. For specific use, please consult ZECO Valve Group.
Part Material Standard
Body Ductile Iron EN 1563/DIN 1693
Bonnet Ductile Iron EN 1563/DIN 1693
Disc Ductile Iron + EPDM / NBR EN 1563/ISO 4633
Seal EPDM / NBR ISO 4633
Nuts Stainless Steel 431 EN10088-1/ASTM A959
Bolts Stainless Steel 431 EN10088-1/ASTM A959
For the materials options not listed, consult factory.
ZECO manufactures valves in more than 50 different alloys.
Product scope, Standards & Materials of Flapper Check Valve
Size Range: 2"~24"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2

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