2.5 450 DC DI BODY, N-PATTERN, GRV X GRV, LESS GATE VALVES

Item Number: 212-450L
1 1
$6,024.88
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
  • Main Body Material: Ductile Iron ASTM A 536 Grade 4
  • End Connections: Grooved for steel
  • Maximum Working Pressure: 175 PSI
  • Maximum Working Temperature: 140° F
  • ASSE® Listed 1015
  • Lead-Free Compliant (NSF/ANSI/CAN 61)
  • n-Pattern design for compact installations
  • Patented, center-stem guided Compound Check for low headloss

Description

The Zurn Wilkins Model 450 Double Check Valve Assembly is a 2.5 inch backflow preventer designed for potable water lines in low health hazard applications. It protects against backsiphonage and backpressure, making it suitable for compact new and retrofit installations. Featuring an n-Pattern ductile iron body with epoxy coating and grooved connections, this unit offers corrosion resistance and easy maintenance via a single access cover. Its patented, center-stem guided Compound Check ensures reliable performance with low headloss. This model comes without shut-off valves and is ASSE® Listed 1015 and lead-free compliant. Item number 212-450L.

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Connection Information

  • This Zurn Wilkins Model 450 is specifically designed for installation on potable water lines.
  • The unit features 2 1/2 inch grooved end connections, which are compatible with steel piping that adheres to AWWA C606 standards.
  • This configuration is supplied without integral shut-off valves, allowing for flexible integration with existing valve systems.
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Additional Details

The Zurn Wilkins Model 450 Double Check Valve Assembly provides crucial protection for potable water lines against both backsiphonage and backpressure of polluted water in low health hazard applications. Its unique n-Pattern design makes it an ideal choice for new and retrofit installations in compact locations.

Key Features

  • Features a patented, center-stem guided Compound Check design, ensuring both low headloss and reliable, superior performance.
  • A convenient single access cover is incorporated to significantly reduce maintenance downtime.
  • Constructed with a corrosion-resistant, epoxy-coated ductile iron body and access covers for enhanced durability.
  • Utilizes stainless steel fasteners and springs for long-lasting operation.
  • Designed with grooved end connections for steel piping, adhering to AWWA C606 standards.
  • This configuration is supplied without shut-off valves.

Specifications

  • Product Type: Double Check Valve Assembly
  • Model: 450
  • Size: 2 1/2 inch
  • Main Valve Body Material: Ductile Iron ASTM A 536 Grade 4
  • Access Covers Material: Ductile Iron ASTM A536 Grade 4
  • Coating: 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 for steel (AWWA C606)

Certificates & Approvals

  • ASSE® Listed 1015
  • IAPMO® Listed
  • CSA® Certified B64.5
  • AWWA Compliant C510 and C550
  • UL® Classified
  • C-UL® Classified
  • FM® Approved
  • NYC MEA 213-99-M VOL 3
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
  • Meets NSF/ANSI/CAN 61 requirements (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

FAQs

What is the primary function of the Zurn Wilkins Model 450 Double Check Valve Assembly?

This assembly is designed to protect potable water lines from contamination caused by backsiphonage and backpressure, specifically in applications where a low health hazard exists.

What type of end connections does this specific Model 450 unit have?

This unit features 2 1/2 inch grooved end connections, which are designed for steel piping and comply with AWWA C606 standards.

Is this backflow preventer suitable for installations in tight spaces?

Yes, the Model 450 features an n-Pattern design, which makes it ideal for both new and retrofit installations in compact or confined locations.

What are the main materials used in the construction of the Model 450?

The main valve body and access covers are made of corrosion-resistant, epoxy-coated ductile iron. It also uses stainless steel fasteners and springs, with EPDM and Buna Nitrile elastomers.

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

The Zurn Wilkins Model 450 is rated for a maximum working water pressure of 175 psi and a maximum working water temperature of 140° F.