Wilkins 10" 450 OS&Y Gate Valves

Item Number: 10-450OSY
1 1
$46,533.47
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Size: 10 inch
  • Weight: 1410.0 lb
  • Valve Type: Double Check Valve Assembly
  • Gate Valves: OS&Y Flanged
  • Body Material: Epoxy-Coated Ductile Iron
  • Maximum Working Pressure: 175 psi
  • Maximum Working Temperature: 140° F
  • NSF/ANSI/CAN 61 Lead-Free Compliant
  • ASSE® Listed 1015, IAPMO® Listed, CSA® Certified B64.5

Description

The Wilkins 10" Model 450 Double Check Valve Assembly with OS&Y Gate Valves is designed to prevent backsiphonage and backpressure in potable water lines, suitable for low health hazard applications requiring lead-free compliance. This 10-inch flanged device features an N-Pattern configuration for compact installations. Its durable construction includes an epoxy-coated ductile iron body and access covers, stainless steel fasteners, and EPDM elastomers. The patented center-stem guided compound check ensures reliable performance and low headloss. It is ASSE® Listed 1015 and NSF/ANSI/CAN 61 compliant. Item number 10-450OSY.

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Connections

  • The Wilkins 10 inch Model 450 Double Check Valve Assembly is equipped with flanged end connections.
  • The flanges adhere to the ANSI B16.42 Class 150 standard.
  • It includes OS&Y gate valves with flanged connections, designed for secure and reliable installation into your piping system.
  • Its N-Pattern configuration is engineered for adaptability in both new installations and retrofitting existing systems, particularly in compact spaces.
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Additional Details

The Zurn Wilkins Model 450 Double Check Valve Assembly with 10 inch OS&Y Gate Valves is designed for installation on potable water lines. It protects against backsiphonage and backpressure of polluted water into the potable water supply, ideal for low health hazard applications where lead-free valves are required.

This device features an N-Pattern configuration, making it suitable for new or retrofit installations in compact locations. The assembly includes epoxy-coated ductile iron main body and access covers, along with stainless steel fasteners and springs for corrosion resistance. The integrated OS&Y gate valves are also epoxy-coated cast iron with resilient wedges, providing reliable shut-off functionality.

Application

  • Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water.
  • Provides protection where a potential health hazard does not exist.
  • Ideal for use where lead-free valves are required.

Features

  • N-Pattern configuration allows for use in compact enclosures, easy retrofit applications.
  • Patented, center-stem guided Compound Check provides low headloss and reliable performance.
  • Convenient single access cover to reduce maintenance downtime.
  • Corrosion-resistant, epoxy-coated ductile iron body and access covers.
  • Stainless steel fasteners and springs.
  • Supplied with full port OS&Y gate valves.
  • Checks are accessible for maintenance without removing the device from the line.

Specifications

  • Model: 450
  • Size: 10 inch
  • Valve Type: Double Check Valve Assembly
  • Valve Configuration: N-Pattern

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
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: EPDM (FDA approved), Buna Nitrile (FDA approved)
  • Polymers: NORYL™
  • Springs: Stainless Steel, 300 Series
  • Seat Ring Material: NORYL™
  • Stem Material: Stainless Steel (ASTM A 276)
  • Seat Disc Elastomers: EPDM

Performance

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

Connections

  • End Connections: Flanged
  • Flange Standard: ANSI B16.42 Class 150
  • Gate Valves: OS&Y Gate Valves, Flanged

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 Wilkins 10" Model 450 Double Check Valve Assembly?

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

What type of gate valves are included with this Model 450 assembly?

This Model 450 assembly comes with 10 inch OS&Y (Outside Stem and Yoke) gate valves. These are epoxy-coated cast iron with resilient wedges, designed for reliable shut-off.

What are the key material specifications of the Model 450?

The main valve body and access covers are epoxy-coated ductile iron (ASTM A 536 Grade 4), while fasteners and springs are made of stainless steel. Elastomers include EPDM and Buna Nitrile, and the seat ring and check valve are NORYL™.

What are the maximum operating pressure and temperature ratings?

The maximum working water pressure for this device is 175 psi, and the maximum working water temperature is 140° F.

Is this product certified to lead-free standards?

Yes, this product meets the requirements of NSF/ANSI/CAN 61 for lead-free compliance, ensuring a maximum weighted average lead content of 0.25%.

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