Double Detector Check Assemblies

  • 4ALF-600

    4ALF-600

    Apollo started production of the 4A series in 2009. Domestic stainless steel body 2-1/2"-8". Ductile iron 10" and 12"...
  • 4ANLF-600

    4ANLF-600

    Apollo started production of the 4ANLF-600 series in 2009. Domestic stainless steel body 2-1/2"-8". Ductile iron 10" ...
  • 4S-600

    4S-600

    Apollo 4S-600 double check detector assembly. Production began in 1999. The main assembly is the 4S-100 series of dou...
  • 4SG-600

    4SG-600

     Downloads: Specification Guide Installation, Maintenance, & Repair Guide  

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