Wilkins 6" 450 Less Gates

Item Number: 6-450
1 1
$16,632.54
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Nominal Size: 6 inch
  • Weight: 446.0 lb
  • Body Material: Epoxy Coated Ductile Iron
  • End Connections: Flanged
  • Configuration: Less Gate Valves
  • Maximum Working Pressure: 175 PSI
  • Maximum Working Temperature: 140°F
  • Lead Free Compliant
  • ASSE® Listed 1015

Description

The Wilkins 6" Model 450 Double Check Valve Assembly is designed to protect potable water lines from backsiphonage and backpressure in low health hazard applications. This device features an epoxy-coated ductile iron body and flanged end connections, without included gate valves, making it ideal for replacement or integration with existing shut-off valves. Its compact n-Pattern design allows for installation in tight spaces. Fully lead-free compliant, it meets strict standards including ASSE® Listed 1015, IAPMO®, CSA® B64.5, and AWWA C510/C550. Item number 6-450.

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Connections

  • This 6 inch Wilkins Model 450 backflow preventer features flanged end connections, making it suitable for direct integration into existing flanged piping systems.
  • Designed as a "Less Gates" model, this device is intended for replacement applications where you will utilize your pre-existing shut-off valves for isolation.
  • The n-Pattern configuration is optimized for installations in compact spaces or enclosures.
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Additional Details

The 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 in low health hazard applications. This specific device comes without gate valves, making it ideal for replacement and use with your pre-existing valves.

This 450 model features an epoxy coated ductile iron body with flanged end connections and an n-Pattern configuration, optimized for compact locations and lead-free compliance.

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 and contact us if you have any questions before ordering.

Construction & Features

  • Lead Free Compliant for potable water applications.
  • Epoxy coated ductile iron body and access covers ensure corrosion resistance.
  • Features a patented, center-stem guided Compound Check for low headloss and reliable performance.
  • Designed with a single access cover to simplify maintenance and reduce downtime.
  • N-Pattern configuration allows for use in compact installations and retrofit applications.

Specifications

  • Model: 450 Less Gate Valves
  • Nominal Size: 6 inch
  • Body Material: Ductile Iron ASTM A 536 Grade 4, Epoxy Coated
  • Access Cover Material: Ductile Iron ASTM A536 Grade 4, Epoxy Coated
  • Fastener Material: Stainless Steel, 300 Series
  • Elastomer Material: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymer Material: NORYL™
  • Spring Material: Stainless Steel, 300 Series
  • End Connections: Flanged
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 140°F
  • Hydrostatic Test Pressure: 350 PSI

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 for lead-free (0.25% Max Weighted Average Lead Content)

FAQs

What is the primary purpose of the Wilkins 6" Model 450 Double Check Valve Assembly?

The Wilkins 6" Model 450 is designed to protect potable water lines from contamination by preventing both backsiphonage and backpressure of polluted water into the clean water supply. It is intended for low health hazard applications.

What does "Less Gates" mean for this specific model?

"Less Gates" indicates that this model is supplied without shut-off gate valves. It is designed for installations where existing gate valves are already in place or where separate shut-off valves will be integrated into the system, making it suitable for replacement or custom setups.

Is the Wilkins 6" Model 450 compliant with lead-free standards?

Yes, the Wilkins 6" Model 450 Double Check Valve Assembly is Lead Free Compliant, meeting the requirements of NSF/ANSI/CAN 61 with a maximum weighted average lead content of 0.25%.

What type of end connections does this 6" Wilkins Model 450 have?

This 6" Wilkins Model 450 Double Check Valve Assembly comes with flanged end connections, which are suitable for integrating into piping systems that also use flanged connections.

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

The Wilkins 6" Model 450 has a maximum working water pressure of 175 PSI and a maximum working water temperature of 140°F.

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