4 475 RP DI BODY N PATTERN VERT BFLY, LESS GATE VALVES

Item Number: 4-475VL
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$9,254.80
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Reduced Pressure Principle Backflow Preventer
  • Size: 4 inch
  • Flow Orientation: Vertical flow up
  • Valve Type: Butterfly Valves
  • Lead-Free: NSF/ANSI/CAN 61 Compliant
  • Maximum Working Pressure: 175 PSI
  • Body Material: Ductile Iron, Epoxy Coated
  • Check Design: Center-stem guided Compound Check

Description

The ZURN Wilkins Model 475V is a 4-inch Reduced Pressure Principle Backflow Preventer designed to protect potable water systems from contamination due to backsiphonage and backpressure. This lead-free device is configured for vertical flow-up installations and includes durable butterfly valves. It features a patented center-stem guided Compound Check for superior reliability and low headloss. Constructed with an epoxy-coated ductile iron body, the 475V ensures long-lasting performance in high hazard applications. It is ASSE 1013 and NSF/ANSI/CAN 61 certified. Item number 4-475VL.

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Flow Orientation & Configuration

  • The ZURN Wilkins Model 475V is specifically designed for vertical flow up applications in a z-Pattern configuration.

End Connections

  • This backflow preventer can be connected using Flanged ends (ANSI B16.42 Class 150 standard) or Grooved ends for steel pipe (AWWA C606-87 standard), depending on the specific installation requirements.

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 prevent submersion of the unit.

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Additional Details

The ZURN Wilkins Model 475V Reduced Pressure Principle Backflow Preventer is designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water, particularly where a potential health hazard exists.

This 4 inch backflow preventer features a z-Pattern configuration for vertical flow up applications, along with butterfly valves. Its compact design allows for easy retrofits, and it incorporates a patented center-stem guided Compound Check for low headloss and reliable performance.

Key Features

  • Provides high hazard protection for potable water applications
  • Vertical flow up configuration with butterfly valves
  • Lead-free construction meets NSF/ANSI/CAN 61 requirements
  • Patented center-stem guided Compound Check ensures low headloss and superior reliability
  • Ductile Iron main body and access covers with FDA Approved fusion epoxy finish for durability
  • Compact design with a small footprint, ideal for retrofit installations
  • Maximum working water pressure of 175 PSI and maximum working water temperature of 140°F

Specifications

  • Size: 4 inch
  • Assembly Type: Reduced Pressure Principle Backflow Preventer
  • Flow Orientation: Vertical flow up
  • Valve Type: Butterfly Valves
  • 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, Epoxy Coated
  • Access Covers: Ductile Iron ASTM A536 Grade 4, Epoxy Coated
  • 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

End Connections

  • Flanged: ANSI B16.42 Class 150
  • Grooved for steel pipe: AWWA C606-87

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 the requirements of NSF/ANSI/CAN 61 (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

FAQs

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

It protects potable water lines from contamination caused by backsiphonage and backpressure, providing high hazard protection where potential health hazards exist.

What type of flow configuration does the Model 475V support?

The Model 475V is specifically designed for vertical flow up applications, featuring a z-Pattern configuration for compact spaces.

Is this backflow preventer lead-free?

Yes, the ZURN Wilkins Model 475V meets the requirements of NSF/ANSI/CAN 61, ensuring it is lead-free for potable water applications.

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

It can withstand a maximum working water pressure of 175 PSI and a maximum working water temperature of 140°F.

What materials are primarily used in the construction of the 475V?

The main body and access covers are made from ductile iron with an FDA Approved fusion epoxy finish, while internals include stainless steel, NORYL™, and EPDM elastomers.

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