8 475 RPDA DI BODY VERT GAL MTR BFLY GRV X GRV

Item Number: 8-475DAVBG
1 1
$48,834.24
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Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Zurn 475DAV Reduced Pressure Principle Detector Assembly
  • Size: 8 inch
  • Maximum Working Pressure: 175 PSI
  • End Connections: Grooved
  • Ductile Iron Body with FDA Approved Fusion Epoxy Coating
  • Vertical Z-Pattern Installation
  • Metered Bypass: Detects leaks and unauthorized water use
  • Certifications: ASSE 1013, AWWA C510, UL Classified, FM Approved, CSA B64.4

Description

The Zurn 8-inch 475DAV Reduced Pressure Principle Detector Assembly (RPDA) is designed for high-hazard fire protection systems, offering robust defense against backsiphonage and backpressure. This vertical z-pattern unit features durable ductile iron construction with an FDA approved fusion epoxy coating and grooved end connections. It includes a metered bypass system for easy leak detection and unauthorized usage monitoring. With a maximum working pressure of 175 PSI, it is ASSE, AWWA, UL, and FM approved, making it a reliable choice for critical fire system retrofits. Item number 8-475DAVBG.

Help Me Connect

Connections

  • This 8-inch Zurn 475DAV Reduced Pressure Principle Detector Assembly connects to piping systems via its grooved end connections.
  • Ensure your mating pipes are also equipped with compatible 8-inch grooved connections for proper installation.
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Additional Details

The Zurn 475DAV Reduced Pressure Principle Detector Assembly (RPDA) is designed for installation in fire protection systems to protect against both backsiphonage and backpressure from contaminated water into the potable water supply. This 8-inch assembly features a vertical z-pattern installation with grooved connections and includes a metered bypass system to detect leaks and unauthorized water use.

Primary Application

  • Provides high hazard protection in fire protection systems where a potential high health hazard exists.
  • Ideal for quick and easy fire protection retrofit applications due to its small footprint.

Features

  • Vertical Z-Pattern Installation: Designed for vertical, flow-up orientation, optimizing space.
  • Metered Bypass: Detects unauthorized water usage or leaks, helping to reduce maintenance costs.
  • Durable Construction: Features a ductile iron body with FDA approved fusion epoxy coating for enhanced corrosion resistance.
  • Lead-Free: Meets requirements for lead content.
  • End Connections: Equipped with grooved connections for easy and secure installation.

Specifications

  • Brand: Zurn
  • Model: 475DAV
  • Size: 8 inch
  • Main Valve Body Material: Ductile Iron ASTM A 536 Grade 4
  • Access Covers Material: Ductile Iron ASTM A 536 Grade 4
  • Coatings: FDA Approved fusion epoxy finish
  • Fasteners Material: Stainless Steel, 300 Series
  • Elastomers: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymers: NORYL™
  • Springs 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

Certificates & Approvals

  • ASSE® Listed 1013 (4 inch thru 8 inch)
  • AWWA Compliant C510
  • UL® Classified (4 inch thru 10 inch)
  • FM® Approved (4 inch thru 10 inch)
  • NYC MEA 170-03-M, VOL 2 (4 inch thru 8 inch)
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (4 inch thru 8 inch)
  • Meets requirements of NSF/ANSI/CAN 61* (5% MAX. WEIGHTED AVERAGE LEAD CONTENT)
  • CSA B64.4

FAQs

What is the primary function of the Zurn 475DAV 8-inch RPDA?

This backflow preventer is designed for installation in fire protection systems to protect potable water supplies from contamination due to backsiphonage and backpressure, which are considered high health hazards.

What type of installation is required for this model?

The Zurn 475DAV is designed for a vertical, z-pattern installation, meaning it is installed with a flow-up orientation.

What are the connection types and size for this assembly?

This 8-inch Reduced Pressure Principle Detector Assembly features grooved end connections, designed for secure and efficient pipe attachment.

What is the maximum operating pressure for the 475DAV RPDA?

The Zurn 475DAV is rated for a maximum working water pressure of 175 PSI (Pounds per Square Inch).

Does this backflow preventer offer leak detection capabilities?

Yes, it includes a metered bypass system that is designed to detect leaks and any unauthorized water usage, helping to identify issues and reduce maintenance costs.

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