Zurn Wilkins 34-375ST 3/4" Stainless Steel Reduced Pressure Principle Assembly Backflow Preventer Lead-Free


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Description

Zurn Wilkins 375ST Stainless Steel Reduced Pressure Principle Assembly Backflow Preventer Lead-Free

Zurn Wilkins 34-375ST 3/4" Stainless Steel Reduced Pressure Principle Assembly Backflow Preventer Lead-Free.

Features & Benefits:

  • All stainless steel and engineered plastic construction resists corrosion
  • Repair Kits provide cost savings by avoiding full Backflow Preventer replacement
  • Applicable for systems that are corrosive to bronze valves
  • Excellent for food service use
  • Low-lead law compliant
  • ASSE® Listed 1013
  • CSA B64.4
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • Certified to NSF/ANSI 372* by IAPMO R&T
  • NSF® Listed-Standard 61, Annex G

Product Specification:

The Reduced Pressure Principle Backflow Preventer shall be Stainless Steel, certified to NSF/ANSI/CAN 61, ASSE® Listed 1013, rated to 180°F and supplied with full port ball valves. The main body shall be Nylon and the seat disc elastomers shall be silicone. If installed indoors, the installation shall be supplied with an air gap adapter. The Reduced Pressure Principle Backflow Preventer shall be a ZURN WILKINS Model 375ST.

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 375ST provides protection where a potential health hazard exists. The valve's stainless steel construction is ideal in those systems that utilize liquids corrosive to copper alloys. Potential applications include: medical diagnostic equipment, food processing, distilleries, breweries, etc. Additionally, the 375ST is ideal for applications requiring valves that are lead-free*.

Standards Compliance:

  • ASSE® Listed 1013
  • CSA B64.4
  • 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)

Materials:

  • Housing: Reinforced Nylon, FDA approved
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: Silicone (FDA Approved) Buna Nitrile (FDA Approved)
  • Internals: Delrin, Nylon
  • Springs: Stainless Steel, 300 series
  • Ball Valves: Cast, Stainless Steel ASTM A351, CF-8M
  • Struts: Stainless Steel, 300 Series

Features:

  • Sizes: 1/2", 3/4", 1"
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 180°F
  • Hydrostatic Test Pressure: 350 PSI
  • End Connections: Threaded FNPT ANSI B1.20.1

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers’ instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12” (305mm) and a maximum of 30” (762mm) above adequate drains with sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged.

Technical Downloads:

Media:

Zurn Wilkins 375ST Repair Video:

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