2.5 350 DC DI BODY, FLG BODY, FLG X FLG, LESS GATE VALVES

Item Number: 212-350L
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$4,143.35
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Size: 2 1/2 inch
  • Body Material: Epoxy-coated Ductile Iron ASTM A 536
  • End Connections: Flanged (ANSI B16.42 Class 150)
  • Maximum Operating Pressure: 175 PSI
  • Maximum Operating Temperature: 140°F
  • Features Patented Compound Check for improved flow
  • Lead-free design, NSF/ANSI/CAN 61 and 372 compliant
  • Certifications: ASSE 1015, CSA B64.5, cUPC, AWWA, UL, FM

Description

The Zurn Model 350 Double Check Valve Assembly, SKU 212-350L, is a 2.5-inch lead-free backflow preventer designed for potable water lines. It protects against backsiphonage and backpressure in low health hazard applications. Constructed with an epoxy-coated ductile iron body and flanged connections, this assembly offers corrosion resistance and versatile installation without integrated shut-off valves. It features a patented Compound Check for reliable flow characteristics and a single access cover to simplify maintenance. The unit is ASSE 1015, CSA B64.5, cUPC, AWWA, UL, FM, and NSF/ANSI/CAN 61 and 372 certified.

Help Me Connect

The Zurn Model 350 Double Check Valve Assembly features 2 1/2 inch flanged end connections, designed to connect to compatible ANSI B16.42 Class 150 flanged pipe systems. This specific model is supplied without shut-off valves, requiring separate shut-off valve components or integration into a system where they are not required at the assembly itself. It is intended for installation on potable water lines to maintain water safety.

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Additional Details

The Zurn Model 350 Double Check Valve Assembly is designed for installation on potable water lines to protect against backsiphonage and backpressure of polluted water into the potable water supply. This 2.5 inch flanged model, supplied without shut-off valves, provides versatile installation and reliable performance in low health hazard applications.

Key Features

  • Features a single access cover for reduced maintenance costs and downtime.
  • Incorporates a patented Compound Check for reliable performance and improved flow characteristics.
  • The epoxy-coated ductile iron body ensures resistance to corrosion.
  • Designed specifically for low health hazard applications.
  • Meets requirements for lead-free valves.

Connections

  • 2 1/2 inch flanged end connections, conforming to ANSI B16.42 Class 150.
  • Supplied without shut-off valves for flexible system integration.

Specifications

  • Model: 350 Double Check Valve Assembly
  • Size: 2 1/2 inch
  • Main Valve Body Material: Ductile Iron ASTM A 536
  • Access Covers Material: Ductile Iron ASTM A 536
  • Coatings: NSF Approved fusion epoxy finish
  • Internals Material: Stainless steel, 300 Series, NORYLT™
  • Fasteners Material: Stainless Steel, 300 Series
  • Seal Ring Material: EPDM (FDA approved)
  • O-rings Material: Buna Nitrile (FDA approved)
  • 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: Flanged (ANSI B16.42 Class 150)

Certificates & Approvals

  • ASSE® Listed 1015
  • CSA® Certified B64.5
  • cUPC® Listed
  • AWWA Compliant C510, and C550
  • UL® Classified
  • C-UL® Classified
  • FM® Approved (2 1/2" - 10")
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • NYC MEA 50-01-M (2 1/2" - 3")
  • NYC MEA 297-98-M (4" - 6")
  • NYC MEA 316-01-M (8" - 10")
  • Meets NSF/ANSI/CAN 61 and 372 (less than 0.25% weighted average lead content)

FAQs

What is the primary purpose of the Zurn Model 350 Double Check Valve Assembly?

Its primary purpose is to protect potable water lines from contamination caused by backsiphonage and backpressure of polluted water, specifically in low health hazard applications.

What are the main materials used in the construction of this backflow preventer?

The main valve body and access covers are made of epoxy-coated ductile iron (ASTM A 536), while the internals, fasteners, and springs are stainless steel (300 Series). The seal ring is EPDM, and O-rings are Buna Nitrile.

What are the maximum operating pressure and temperature for the Zurn Model 350?

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

How does the Zurn Model 350 facilitate maintenance?

It features a single access cover, which provides easy access to the checks for maintenance and repair without the need to remove the device from the line, thereby reducing costs and downtime.

Does this specific Model 350 come with shut-off valves?

No, this particular Model 350 (SKU 212-350L) is supplied 'less gate valves,' meaning it does not include shut-off valves. These would need to be sourced separately or the system designed accordingly.

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