Wilkins 2 1/2" 450 Less Gates

Item Number: 212-450
1 1
$7,338.01
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Product Type: Double Check Valve Assembly
  • Weight: 200.0 lb
  • Size: 2 1/2 inch
  • Lead Free: Yes
  • Maximum Working Pressure: 175 psi
  • Maximum Working Temperature: 140° F
  • Body Material: Epoxy-Coated Ductile Iron
  • End Connections: Flanged
  • Ships without gate valves

Description

The Wilkins 2 1/2" Model 450 Double Check Valve Assembly is a lead-free backflow preventer designed for low health hazard potable water applications. It protects against backsiphonage and backpressure. Featuring an epoxy-coated ductile iron body for corrosion resistance and flanged end connections, this "n-Pattern" device is compact for easy installation and retrofits. It includes a patented center-stem guided Compound Check for reliable performance and low headloss. This specific model is supplied without gate valves, intended for use with existing shut-off valves. Item number 212-450.

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Connection Information

  • The Wilkins Model 450 is designed with flanged end connections, specifically to ANSI B16.42 Class 150 standards, for secure integration into your piping system.
  • This assembly is supplied without gate valves, making it ideal for replacement applications where existing shut-off valves are already in place and will be reused.
  • Its "n-Pattern" configuration allows for compact installation in tight spaces, facilitating both new and retrofit projects.
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Additional Details

The Wilkins Model 450 Double Check Valve Assembly without gate valves is designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. This lead-free compliant assembly is ideal for low health hazard applications.

Design and Construction

  • Features an epoxy-coated ductile iron body and access covers for superior corrosion resistance.
  • The "n-Pattern" configuration and compact design make it suitable for new and retrofit installations in tight spaces.
  • Equipped with a patented, center-stem guided Compound Check for low headloss and reliable performance.
  • A single access cover simplifies maintenance and reduces downtime.

Included Components

  • This Model 450 assembly is supplied without gate valves, intended for integration with pre-existing shut-off valves.

This is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable, please be sure you order carefully. If you have ANY questions please contact us before ordering.

Specifications

  • Product Type: Double Check Valve Assembly
  • Model: 450
  • Size: 2 1/2 inch
  • Configuration: "n-Pattern"
  • Lead Free: Yes (Meets NSF/ANSI/CAN 61*)

Performance

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

Materials

  • Main Valve Body: Ductile Iron ASTM A 536 Grade 4
  • Access Covers: Ductile Iron ASTM A536 Grade 4
  • Coatings: FDA Approved fusion epoxy finish
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymers: NORYL™
  • Springs: Stainless Steel, 300 Series

Connections

  • End Connection Type: Flanged
  • Flange Standard: ANSI B16.42 Class 150

Certificates & Approvals

  • ASSE® Listed 1015
  • IAPMO® Listed
  • CSA® Certified B64.5
  • AWWA Compliant C510
  • AWWA Compliant 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

FAQs

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

The primary purpose is to protect potable water lines from contamination due to backsiphonage and backpressure of polluted water. It is suitable for low health hazard applications.

Does this Wilkins 450 assembly come with gate valves?

No, this specific model (2 1/2" 450 Less Gates) is supplied without shut-off gate valves. It is designed for installation where existing gate valves will be utilized.

What type of end connections does the 2 1/2" Wilkins Model 450 have?

This model features flanged end connections, manufactured to ANSI B16.42 Class 150 standards, ensuring a secure and compatible fit with your existing flanged piping.

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 A536 Grade 4) for corrosion resistance. Internal components include stainless steel fasteners and springs, and EPDM/Buna Nitrile elastomers.

What are the maximum operating pressure and temperature ratings?

The Wilkins Model 450 has a maximum working water pressure of 175 psi and a maximum working water temperature of 140° F.

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