10 350 DCDA DI BODY GAL MTR, LESS GATE VALVES

Item Number: 10-350DAL
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Regular price $29,687.22
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Brand - Wilkins

  • Nominal Size: 10 inch
  • Assembly Type: Double Check Detector Backflow Preventer
  • Body Material: Ductile Iron ASTM A536
  • Maximum Working Pressure: 175 PSI
  • End Connections: Flanged Bolt Pattern
  • Includes Gallon Meter for leak detection
  • Designed for horizontal or vertical installation
  • ASSE® Listed 1048, CSA® Certified B64.5, FM® Approved

Description

The Zurn Wilkins 10-inch Model 350DA Double Check Detector Backflow Assembly is designed for fire protection systems to prevent backsiphonage and backpressure in low health hazard applications. Constructed with a durable ductile iron body, this assembly includes a metered bypass system to efficiently detect leaks and unauthorized water use, reducing maintenance costs. It features Zurn's Compound Check for low headloss and reliable performance. Approved for both horizontal and vertical installation, this flanged unit is ASSE 1048, CSA B64.5, and FM Approved, ensuring broad compliance and safety. Item number 10-350DAL.

Help Me Connect

The Zurn Wilkins Model 350DA backflow assembly offers versatility for installation in both horizontal and vertical positions.

Installation Guidelines

  • Local codes govern all installation requirements.
  • Minimum Mounting Height: 12 inches (305mm) above adequate drains.
  • Maximum Mounting Height: 30 inches (762mm) above adequate drains.
  • Ensure sufficient side clearance for testing and maintenance.
  • The unit must be installed so no part can be submerged.
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Additional Details

The Zurn Wilkins Model 350DA Double Check Detector Backflow Assembly is designed for installation on water lines in fire protection systems to protect against backsiphonage and backpressure of polluted water.

This 10-inch model features a metered bypass system to detect leaks and unauthorized water use, providing protection where a potential health hazard does not exist. It incorporates the Zurn Wilkins Compound Check for low headloss and reliable performance.

Key Features

  • Protects against backsiphonage and backpressure in low health hazard applications.
  • Metered bypass system efficiently detects leaks and unauthorized water use.
  • Features the Zurn Wilkins Compound Check for reliable performance and low headloss.
  • Approved for both horizontal and vertical installation.
  • Durable ductile iron body for long-lasting performance.

Specifications

General

  • Model: 350DA
  • Assembly Type: Double Check Detector Backflow Preventer
  • Nominal Size: 10 inch
  • Installation: Horizontal or Vertical

Materials

  • Main Valve Body: Ductile Iron ASTM A536
  • Access Covers: Ductile Iron ASTM A 536
  • Coatings: NSF 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

Performance

  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI

Connections

  • End Connections: Flanged Bolt Pattern
  • Bypass Meter: Includes Gallon Meter (Standard)
  • Shut-Off Valves: Less Shut-Off Valves (Flanged Body Connections)

Physical Characteristics

  • Approximate Weight (Less Shut-Off): 404 lbs

Certificates & Approvals

  • ASSE® Listed: 1048 (2 1/2" thru 12")
  • CSA® Certified: B64.5 (2 1/2" thru 8", & 12")
  • AWWA Compliant: C510 (2 1/2" thru 12"), C550
  • UL® Classified: (2 1/2" thru 12")
  • C-UL® Classified: (2 1/2" thru 12")
  • FM® Approved: (2 1/2" thru 10")
  • NYC MEA: 147-99-M Vol 4 (2-1/2" - 10)
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (2 1/2" thru 12")
  • Meets NSF/ANSI/CAN 61 Requirements (0.25% Max. Weighted Average Lead Content)

FAQs

What is the primary purpose of the Zurn Wilkins Model 350DA?

The Model 350DA is designed for installation on water lines in fire protection systems. Its primary purpose is to protect against backsiphonage and backpressure of polluted water into the potable water supply in low health hazard applications.

What is the function of the metered bypass system on this backflow assembly?

The metered bypass system on the Model 350DA efficiently and effectively detects leaks and any unauthorized water use within the water line. This feature helps save on costs associated with potential maintenance and repairs by identifying issues early.

What are the approved installation orientations for the 350DA?

The Zurn Wilkins Model 350DA Double Check Detector Backflow Assembly is approved for installation in both horizontal and vertical positions, offering flexibility for various piping configurations.

What type of end connections does the 10-inch 350DA have?

This 10-inch Zurn Wilkins Model 350DA features flanged bolt pattern end connections. The product SKU 10-350DAL indicates it comes without standard shut-off valves.

What certifications and approvals does the Model 350DA hold?

The Model 350DA is ASSE® Listed 1048, CSA® Certified B64.5, AWWA Compliant C510 and C550, UL® and C-UL® Classified, and FM® Approved (for sizes up to 10"). It also meets NSF/ANSI/CAN 61 requirements for lead content.