Double Check Assemblies

  • FDC Old Style (Small Diameter)

    FDC Old Style (Small Diameter)

    Hersey FDC Model was manufactured starting in 1975 and discontinued in 2004. Some parts remain but mostly rubber repa...
  • FDC / No. 2 / DDC II Old Style (Large Diameter)

    FDC / No. 2 / DDC II Old Style (Large Diameter)

    Hersey Model FDC Large DIameter Backflow Assembly was discontinued in 2004, the Hersey Model No. 2 from 1975 and disc...
  • FDC New Style

    FDC New Style

    Specification: The BEECO Friendly Double Check Backflow Preventer Valve is designed to stop the reverse of flow ...
  • FDC LBF New Style

    FDC LBF New Style

    Specification: The BEECO Friendly Double Check Backflow Preventer Valve is designed to stop the reverse of flow ...

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