Double Check Assemblies

  • 4ALF-100

    4ALF-100

    Apollo started production of the 4ALF-100 Series in 2009. Top Entry Double Check Valve Assembly, Bronze Body, Modular...
  • 4ALF-100 LBF

    4ALF-100 LBF

    4A-100 started production in 2009. Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epoxy Ductile Iron 10" ...
  • 4ANLF-100

    4ANLF-100

    Apollo started production of the 4ANLF Series in 2009. Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epo...
  • 4S-103

    4S-103

     Downloads: Specification Guide Installation, Maintenance, & Repair Guide  
  • 4SG-100

    4SG-100

    Apollo started production of the 4SG Series Double check assembly. Production began in 1998. The 1/2" assembly utiliz...

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