6616, 6626 Ball check valve flanged

Products for Water

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Body and bonnet made of ductile cast iron EN-GJS 400-15 EN 1563, NBR/EPDM fully galvanized bowl (made of aluminum alloy or cast iron). Body-bonnet O-ring gasket: NBR/EPDM. Silent and reliable operation, simple and compact design – high durability. Epoxy coating minimum 250 microns according to EN ISO 12944-5.

Execution variant:

  • SS body bonnet screws
  • With drain plug (A)
  • With drain plug with vent mechanism (B)


Water and sewage networks and tanks. Transport of non agressive liquids. Working conditions: temp. up +70°C, working pressure up to 1.6 MPa


Recomended installation in vertical or horizon position.