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4ALF-103-A2F - Apollo 1/2" 4A Series Double Check Valve Assembly

  • Low pressure loss documented by independent approval agencies
  • Easily removable modular check valve cartridge
  • Captured stainless steel springs
  • Apollo ball valves w/ SS handles & nuts standard
  • Top-mounted test cocks for easy testing
  • No special tools required
  • Chloramine-resistant elastomers
  • Designed, cast, machined, assembled and tested IN THE USA
  • Maximum working pressure - 175 psi
  • Temperature Range - 33F - 180F
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