Backflow Assemblies

Description
Complete new bvackflow assemblies including 4A Series, 4AN Series, Stainless Steel etc.

  • 40LF-300

    40LF-300

    The Apollo® Model DCAPLF Dual Check with Atmospheric Port shall be manufactured in America with all domestic part...
  • 4FP-300

    4FP-300

    The Apollo® DUC4FP Series Dual Check Backflow Preventer for Residential Fire Sprinkler Systems prevents backflow ...
  • 4NLF-300

    4NLF-300

    The Lead Free* Apollo® Model DUCLF4N (4NLF-300) Dual Check Valve prevents backflow by either backpressure or back...
  • 38-500

    38-500

    The Apollo® 38-500 Series Lab Faucet Vacuum Breaker is designed to provide protection against back-siphonage wher...
  • 40LF-400

    40LF-400

    The Apollo® Model DCAPLF Dual Check with Atmospheric Port shall be manufactured in America with all domestic part...
  • 4C-100

    4C-100

    The Apollo® 4C-100 Series Carbonated Beverage Backflow Preventer (Model CBBP) is designed to prevent contaminatio...
  • 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...
  • 4ALF-100

    4ALF-100

    Apollo started production of the 4ALF-100 Series in 2009. Top Entry Double Check Valve Assembly, Bronze Body, Modular...
  • 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  
  • 4ALF-200

    4ALF-200

    4A-200 started being produced in 2009. It has top Entry Reduced Pressure Principle Assembly, Bronze Body, Modular Car...
  • 40-200-T2S

    40-200-T2S

    Apollo 40-200 is a stainless steel reduce pressure assembly, its use is for a high hazard and high corrosive environm...
  • 4ALF-200(LBF)

    4ALF-200(LBF)

    4A-200 started production in 2009. Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epoxy Ductile Iron 10" ...
  • 4ANLF-200

    4ANLF-200

    Started production in 2009. Domestic Stainless Steel Body 2-1/2"-8", FDA Fusion Bonded Epoxy Ductile Iron 10" & 1...
  • 4ALF-700

    4ALF-700

    Started Production in 2009. Domestic stainless steel body 2-1/2"-8". Ductile iron 10" and 12". Short, inline configur...
  • 4ANLF-700

    4ANLF-700

    Started Production in 2009. Domestic stainless steel body 2-1/2"-8". Ductile iron 10" and 12". Smaller footprint conf...
  • 38-300 / 38-400

    38-300 / 38-400

     Downloads: Specification Guide 38-300 Specification Guide 38-400    
  • 4W-500

    4W-500

     Downloads: Specification Guide Technical Sheet Installation, Maintenance, & Repair Guide   &...
  • PVB 4A / PVBLF 4A

    PVB 4A / PVBLF 4A

     Downloads: Specification Guide Installation, Maintenance, & Repair Guide    
  • 38LF-100 / 38-200

    38LF-100 / 38-200

     Downloads: Specification Guide 38LF-100 Specification Guide 38-200 Installation, Maintenance, & Repa...

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