10 450 DC DI BODY BFLY GRV X GRV

Item Number: 10-450BG
1 1
$49,929.89
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
  • Nominal Size: 10 inch
  • Main Body Material: Epoxy-coated Ductile Iron
  • Valve Type: Grooved end Butterfly Valves with integral supervisory switches
  • Maximum Working Pressure: 175 psi
  • Maximum Working Temperature: 140°F
  • End Connections: Grooved
  • ASSE® Listed 1015, NSF/ANSI/CAN 61 compliant

Description

The Zurn Wilkins Model 450 Double Check Valve Assembly is a 10-inch backflow preventer designed for installation on potable water lines. It protects against backsiphonage and backpressure of polluted water in low health hazard applications, meeting lead-free requirements. Constructed with an epoxy-coated ductile iron body and equipped with grooved end butterfly valves, this assembly features a patented center-stem guided compound check for reliable performance and low headloss. Its n-Pattern design and single access cover facilitate compact installations and simplified maintenance. This unit is ASSE® Listed 1015 and NSF/ANSI/CAN 61 compliant.

Help Me Connect

Connections

  • This Zurn Wilkins Model 450 Double Check Valve Assembly features grooved end connections, designed for direct installation into grooved steel piping systems.
  • It is suitable for protecting potable water lines.
View full details

Additional Details

The Zurn Wilkins Model 450 Double Check Valve Assembly is designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. This assembly provides protection where a potential health hazard does not exist, ideal for use where lead-free valves are required.

Application

  • Protects potable water lines from backsiphonage and backpressure of polluted water.
  • Suitable for low health hazard applications where lead-free valves are required.

Features

  • Nominal size: 10 inch.
  • n-Pattern design allows for use in compact enclosures, ideal for new and retrofit installations.
  • Patented, center-stem guided Compound Check provides low headloss and reliable, superior performance.
  • Convenient single access cover to reduce maintenance downtime.
  • Equipped with grooved end butterfly valves with integral supervisory switches.

Materials

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

Specifications

  • Product Type: Double Check Valve Assembly
  • Model: Zurn Wilkins Model 450
  • Nominal Size: 10 inch
  • Main Valve Body Material: Ductile Iron ASTM A 536 Grade 4
  • Access Cover Material: Ductile Iron ASTM A536 Grade 4
  • Coating: FDA Approved fusion epoxy finish
  • Fastener Material: Stainless Steel, 300 Series
  • Elastomer Materials: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymer Material: NORYL™
  • Spring 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)
  • Valve Type: Butterfly Valves with integral supervisory switches (grooved end)

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 the requirements of NSF/ANSI/CAN 61* (0.25% MAX. WEIGHTED AVERAGE LEAD CONTENT)

FAQs

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

This assembly is designed for installation on potable water lines to protect against backsiphonage and backpressure of polluted water. It is suitable for low health hazard applications where lead-free valves are required.

What type of end connections does this specific Model 450 (SKU 10-450BG) have?

This 10-inch model features grooved end connections on both the inlet and outlet, designed for compatibility with grooved steel piping systems. It includes grooved end butterfly valves with integral supervisory switches.

What is the maximum operating pressure and temperature for this backflow preventer?

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

What materials are used for the main components of the Model 450?

The main valve body and access covers are made of epoxy-coated ductile iron (ASTM A 536 Grade 4). Fasteners and springs are stainless steel, while elastomers are EPDM and Buna Nitrile.

What certifications does the Zurn Wilkins Model 450 hold?

This backflow preventer is ASSE® Listed 1015, IAPMO® Listed, CSA® Certified B64.5, AWWA Compliant C510 and C550, UL® Classified, C-UL® Classified, FM® Approved, and meets NSF/ANSI/CAN 61* requirements.