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Zurn 34-375XL 3/4 in Reduced Pressure Backflow Preventer Principle Assembly


  • Locke Part #: M1706
  • Mfg. Part #: 34-375XL
  • Manufacturer: Zurn

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  • Ideal for use where Lead-Free valves are required
  • Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply
  • Assembly shall provide protection where a potential health hazard exists
  • Ball Valves: Low Lead Cast Bronze, ASTM B 584
  • Elastomers: Silicone, Buna Nitrile
  • End Connection: Threaded FNPT, ANSI B1.20.1
  • Fasteners: Stainless Steel, 300 Series
  • Housing: Reinforced Nylon, FDA Approved
  • Hydrostatic Test Pressure: 350 psi
  • Internals: Delrin, Nylon
  • Maximum Working Pressure: 175 psi
  • Maximum Working Water Temperature: 180 deg F
  • Size: 3/4 in
  • Springs: Stainless Steel, 300 Series
  • Struts: Stainless Steel, 300 Series