10 475 RP DI BODY N PATTERN VERT BFLY GRV X GRV

Item Number: 10-475VBG
1 1
$59,400.65
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Size: 10 inch
  • Model Type: 475V Reduced Pressure Principle Backflow Preventer
  • Flow Configuration: Vertical Flow Up, N-Pattern
  • Main Body Material: Epoxy coated Ductile Iron ASTM A536 Grade 4
  • End Connections: Grooved for steel pipe (AWWA C606-87)
  • Maximum Working Pressure: 175 PSI
  • Maximum Working Temperature: 140°F
  • Lead-free compliant: NSF/ANSI/CAN 61

Description

The ZURN Wilkins 10 inch 475V Reduced Pressure Principle Backflow Preventer is engineered for high hazard potable water applications, protecting against both backflow and backpressure contamination. This 475V model features an N-Pattern design for a small footprint and vertical upward flow installation. Constructed with an epoxy-coated ductile iron body and equipped with grooved end butterfly valves with integral supervisory switches, it ensures reliable performance. The patented, center-stem guided compound check provides low headloss. It is lead-free compliant, meeting NSF/ANSI/CAN 61 requirements, and certified by ASSE 1013 and CSA B64.4. Item number 10-475VBG.

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Connections

  • This ZURN Wilkins Model 475V is equipped with grooved end connections designed for connection to steel pipe in accordance with AWWA C606-87 standards.
  • It features grooved end butterfly valves with integral supervisory switches for connection and control.
  • The installation is designed for a vertical upward flow orientation.
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Additional Details

The ZURN Wilkins Model 475V is a 10 inch Reduced Pressure Principle Assembly designed to protect potable water lines from both backsiphonage and backpressure of contaminated water into the supply. This backflow preventer provides high hazard protection for applications requiring a vertical flow up orientation and features an N-Pattern design for a small footprint.

It incorporates a patented, center-stem guided compound check for reliable and superior performance, making it ideal for easy retrofits.

Materials

  • Main Valve Body: Ductile Iron ASTM A536 Grade 4
  • Access Covers: Ductile Iron ASTM A 536 Grade 4
  • Coatings: FDA Approved fusion epoxy finish
  • Internals: Stainless steel, 300 Series; NORYL™
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: EPDM (FDA approved); Buna Nitrile (FDA approved)
  • Polymers: NORYL™
  • Springs: Stainless steel, 300 series

Features

  • Model 475V allows for Reduced Pressure (RP) protection in a vertical upward flow
  • N-Pattern provides a very small footprint
  • Wilkins Compound Check for low headloss
  • Lead-free compliant, meeting NSF/ANSI/CAN 61 requirements
  • Patented, center-stem guided compound check design
  • Equipped with grooved end butterfly valves with integral supervisory switches
  • Designed for high hazard protection in potable water applications

Connections

  • End Connections: Grooved for steel pipe (AWWA C606-87)
  • Valves: Grooved end butterfly valves with integral supervisory switches

Specifications

General

  • Model: 475V
  • Size: 10 inch
  • Type: Reduced Pressure Principle Backflow Preventer
  • Configuration: Vertical Flow Up (N-Pattern)
  • Main Valve Body Material: Ductile Iron ASTM A536 Grade 4
  • Body Coating: FDA Approved fusion epoxy finish
  • Access Cover Material: Ductile Iron ASTM A 536 Grade 4
  • Internals Material: Stainless steel, 300 Series; NORYL™
  • Stem Material: Stainless steel (ASTM A 276)
  • Fasteners Material: Stainless Steel, 300 Series
  • Elastomer Material: EPDM (FDA approved); Buna Nitrile (FDA approved)
  • Polymer Material: NORYL™
  • Spring 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 (AWWA C606-87)
  • Valves: Grooved end butterfly valves with integral supervisory switches

Certificates & Approvals

  • ASSE® Listed 1013
  • AWWA Compliant C511 (with gates only), and C550
  • CSA B64.4 Certified (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 the requirements of NSF/ANSI/CAN 61 (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

FAQs

What is the primary application of the ZURN Wilkins Model 475V?

The ZURN Wilkins Model 475V is designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water, providing high hazard protection where a potential health hazard exists.

What type of end connections does this 10 inch backflow preventer feature?

This 10 inch Model 475V comes with grooved end connections, designed specifically for steel pipe applications in compliance with AWWA C606-87 standards. It includes grooved end butterfly valves with integral supervisory switches.

What are the maximum operating pressure and temperature ratings?

The maximum working water pressure for the Model 475V is 175 PSI, and the maximum working water temperature is 140°F.

Is the ZURN Wilkins 475V lead-free compliant?

Yes, the ZURN Wilkins Model 475V meets the requirements of NSF/ANSI/CAN 61, ensuring it is lead-free with a maximum weighted average lead content of 0.25%.

What type of check valve mechanism does this backflow preventer use?

This model utilizes a patented, center-stem guided compound check design. This mechanism is engineered for reliable performance and low headloss.

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