10 475 RP DI BODY N PATTERN, VERTICAL, OSY FLG X FLG

Item Number: 10-475VOSY
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$58,062.03
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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
  • Flow Orientation: Vertical Up (z-Pattern)
  • Maximum Working Pressure: 175 PSI
  • Main Valve Body: Ductile Iron ASTM A536 Grade 4
  • End Connections: Flanged (ANSI B16.42 Class 150)
  • Valve Type: OS&Y Gate Valves
  • Lead-Free: Meets NSF/ANSI/CAN 61
  • ASSE® Listed 1013

Description

The ZURN Wilkins Model 475V 10 inch Reduced Pressure Principle Backflow Preventer protects potable water from backsiphonage and backpressure. Designed for vertical flow up applications, it features a compact z-Pattern ductile iron body and OS&Y gate valves with flanged end connections. The patented, center-stem guided Compound Check ensures low headloss and reliable performance. This lead-free backflow preventer meets NSF/ANSI/CAN 61, ASSE® 1013, and AWWA C511/C550 standards. Ideal for high hazard potable water installations requiring a 10-inch vertical flow-up device.

Help Me Connect

The ZURN Wilkins Model 475V 10 inch Reduced Pressure Principle Backflow Preventer is designed for vertical flow up installations on potable water lines. This unit features flanged end connections that conform to ANSI B16.42 Class 150 standards, ensuring compatibility with appropriately sized and rated flanged piping systems.

Installation Guidelines:

  • Ensure local codes and the latest edition of the Uniform Plumbing Code are followed.
  • Mount the assembly above adequate drains to prevent submergence.
  • Provide sufficient side clearance for testing and maintenance access.
  • Connect to piping systems allowing for vertical upward flow through the device.
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Additional Details

The ZURN Wilkins Model 475V 10 inch Reduced Pressure Principle Backflow Preventer provides high hazard protection for potable water lines, safeguarding against both backsiphonage and backpressure contamination.

Designed for vertical flow up applications, this backflow regulator features a z-Pattern body, offering a compact footprint suitable for new installations and retrofits. It is equipped with OS&Y gate valves and flanged end connections, and utilizes a patented, center-stem guided Compound Check for reliable performance and low headloss.

Features

  • Designed for vertical flow up installations with a z-Pattern orientation.
  • Protects potable water lines from both backsiphonage and backpressure.
  • Includes OS&Y gate valves for reliable shut-off control.
  • Flanged end connections conform to ANSI B16.42 Class 150 standards.
  • Features a patented, center-stem guided Compound Check for low headloss and superior reliability.
  • Lead-free construction meets NSF/ANSI/CAN 61 requirements, ideal for potable water applications.
  • Single access cover design helps reduce maintenance downtime and repair costs.

Installation must be performed in accordance with manufacturer's instructions, local codes, and the Uniform Plumbing Code. Ensure adequate drains and sufficient side clearance for testing and maintenance, and that no part of the unit can be submerged.

Specifications

General

  • Model: 475V
  • Size: 10 inch
  • Application: Potable Water Protection (High Hazard)
  • Flow Orientation: Vertical Up
  • Body Pattern: z-Pattern
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI

Materials

  • Main Valve Body: Ductile Iron ASTM A536 Grade 4 (FDA Approved Fusion Epoxy Finish)
  • Access Covers: Ductile Iron ASTM A536 Grade 4 (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

Connections

  • End Connections: Flanged (ANSI B16.42 Class 150)
  • Valve Type: OS&Y Gate Valves (Full Port)

Certificates & Approvals

  • ASSE® Listed 1013
  • AWWA Compliant C511 (with gates only)
  • AWWA Compliant C550
  • CSA B64.4 (for 4" through 8" sizes)
  • 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 (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, specifically in high hazard applications.

What is the flow orientation for the Model 475V?

The Model 475V is specifically designed and certified for applications requiring vertical flow up, featuring a z-Pattern body for efficient installation.

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

This 10-inch Model 475V backflow preventer features flanged end connections that conform to ANSI B16.42 Class 150 standards.

Is the ZURN Wilkins Model 475V suitable for lead-free requirements?

Yes, the ZURN Wilkins Model 475V is constructed to be lead-free and meets the requirements of NSF/ANSI/CAN 61, making it suitable for potable water applications where lead-free valves are required.

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

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

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