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APPLICATION

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply. The Model 375AST provides protection where a potential health hazard exists.  Ideal for use where lead-free* valves are required.  OS&Y (Outside Screw and Yoke) shut-off valve.

MANUFACTURER

Zurn Wilkens

MATERIALS 

  • Main Valve Body 304L Stainless steel
  • Access covers 304L Stainless steel
  • Coatings FDA App'd electrostatic epoxy finish
  • Internals Stainless steel, 300 Series NORYL™
  • Fasteners & Springs Stainless Steel, 300 Series
  • Seal rings EPDM (FDA approved)
  • O-rings Buna Nitrile (FDA approved)
  • Sensing line Stainless Steel, braided hose

CONNECTIONS

Flange + Flange, Flanged Bolt Pattern per ASME B16.42 Class 150

STANDARDS COMPLIANCE

  • ASSE® Listed 1013
  • AWWA Compliant C511 (with gates only), and C550
  • FM® Approved
  • UL® Classified
  • C-UL® Classified
  • CSA® Certified B64.4
  • cUPC® Listed
  • Approved by the Foundation for Cross Connection Control
  •    and Hydraulic Research at the University of Southern California
  • Meets the requirements of NSF/ANSI/CAN 61*
  • *(0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

MAX WORKING PRESSURE

  • 175 psi

MAX WORKING WATER TEMPERATURE

  • 140° F

HYDROSTATIC TEST PRESSURE 

  • 350 psi

 

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