3 475 RP DI BODY N PATTERN VERT BFLY GRV X GRV

Item Number: 3-475VBG
1 1
$13,725.10
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Nominal Size: 3 inch
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Body Material: Ductile Iron ASTM A536 Grade 4
  • End Connections: Grooved for steel pipe
  • Valve Type: Butterfly with Integral Supervisory Switches
  • Installation Orientation: Vertical Upward Flow
  • Lead-Free Compliant: Meets NSF/ANSI/CAN 61

Description

The Zurn Wilkins Model 475V is a 3-inch Reduced Pressure Principle Backflow Preventer designed for vertical upward flow on potable water lines. It provides high hazard protection against both backsiphonage and backpressure, ensuring the safety of the water supply. Constructed from ductile iron with an FDA approved epoxy finish and stainless steel internals, this lead-free compliant assembly features grooved end butterfly valves with integral supervisory switches. It operates up to 175 PSI and 140°F, meeting stringent certifications like ASSE 1013 and NSF/ANSI/CAN 61 for reliable performance in critical applications.

Help Me Connect

This Zurn Wilkins Model 475V Reduced Pressure Principle Backflow Preventer features grooved end connections designed specifically for connection to 3 inch steel pipe.

It is configured for vertical upward flow installations. Proper installation requires mounting above adequate drains with sufficient side clearance for testing and maintenance, ensuring no part of the unit can be submerged. This model includes grooved end butterfly valves with integral supervisory switches for system monitoring.

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Additional Details

The Zurn Wilkins Model 475V Reduced Pressure Principle Backflow Preventer is specifically designed for 3 inch potable water lines to protect against both backsiphonage and backpressure of contaminated water. This assembly provides high hazard protection for vertical upward flow installations.

This model features an N-pattern body design for a small footprint, butterfly valves with integral supervisory switches, and grooved end connections, making it ideal for lead-free applications.

Features

  • Vertical Upward Flow Configuration.
  • N-Pattern Body Design for a compact footprint.
  • Equipped with Grooved End Butterfly Valves with integral supervisory switches.
  • Features a patented, Center-Stem Guided Compound Check, ensuring reliable performance and easy access for maintenance without removing the relief valve.
  • Lead-Free Compliant, meeting NSF/ANSI/CAN 61 standards with 0.25% maximum weighted average lead content.

Construction Materials

  • Main Valve Body and Access Covers: Ductile Iron ASTM A536 Grade 4 with FDA Approved Fusion Epoxy Finish.
  • Internals and Fasteners: Stainless Steel, 300 Series.
  • Elastomers: EPDM (FDA approved) and Buna Nitrile (FDA approved).
  • Polymers: NORYL™.

Specifications

  • Model: 475V
  • Nominal Size: 3 inch
  • Body Material: Ductile Iron ASTM A536 Grade 4
  • Body Coating: FDA Approved Fusion Epoxy Finish
  • Internals Material: Stainless Steel, 300 Series; NORYL™
  • Elastomers: EPDM (FDA approved); Buna Nitrile (FDA approved)
  • Springs Material: Stainless Steel, 300 Series
  • Fasteners Material: Stainless Steel, 300 Series
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI
  • End Connections: Grooved for steel pipe
  • Valve Type: Grooved End Butterfly Valves with Integral Supervisory Switches
  • Installation Orientation: Vertical Upward Flow

Certificates & Approvals

  • ASSE® Listed 1013
  • AWWA Compliant C511 (with gates only), and C550
  • CSA B64.4 (4" thru 8")
  • CUPC® Listed
  • UL® Classified
  • C-UL® Classified
  • FM® Approved
  • NYC MEA 468-99-M VOL 4
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • Meets NSF/ANSI/CAN 61

FAQs

What is the primary purpose of the Zurn Wilkins Model 475V backflow preventer?

Its primary purpose is to protect potable water lines from contamination by preventing backsiphonage and backpressure of hazardous, non-potable water into the main supply.

What installation orientation does the 475V model require?

The Model 475V is specifically designed for installations requiring vertical upward flow. This is a key design feature for its proper function.

Is this backflow preventer compliant with lead-free standards?

Yes, the Zurn Wilkins Model 475V meets NSF/ANSI/CAN 61 requirements and contains 0.25% maximum weighted average lead content, making it compliant with lead-free regulations.

What type of end connections does this 3-inch model use?

This 3-inch model features grooved end connections, designed for secure and reliable installation with steel pipes. It comes with grooved end butterfly valves.

What is the maximum operating water pressure and temperature for this device?

The Zurn Wilkins Model 475V can operate effectively at a maximum working water pressure of 175 PSI and a maximum working water temperature of 140°F.

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