Backflow
preventers

Water safety components for ships: protection against backflow and reducing the risk of contamination.

The use of freshwater onboard poses risks, especially regarding backflow and contamination. To address these challenges and ensure water safety on ships, Hatenboer-Water offers water safety systems.

Kemper protect backflow preventer BA:

  • Protects drinking water from fluids up to and including Fluid Category 4.
  • All parts that have contact with the medium are made of gunmetal or plastic, springs made of stainless steel.
  • With integrated dirt trap.
  • Helps to protect drinking water quality by safeguarding against non-potable water.

Kemper anti-pollution check valve EA:

  • Protects drinking water from fluids up to and including Fluid Category 2.
  • Made entirely of gunmetal.
  • With self-lubricating EPDM lip seal made of maintenance-free stem seals.
 

Kemper has valves and solutions for various categories. The most common protections are the EA and the BA series. The EA (antipollution check valve) is allowed till category 2, and the BA (backflow preventer) till 4. EN 1717 has to be followed for correct installation. EA with valve and BA with cut-off valves and strainer.

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