1.5 950 DC OSY NPT TOP ACCESS NON POTABLE

Item Number: 112-950XLTOSY
1 1
$5,043.76
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Wilkins
  • Size: 1.5 inch
  • End Connections: Threaded NPT
  • Maximum Working Pressure: 175 PSI
  • Maximum Working Temperature: 180°F
  • Body Material: Cast Bronze ASTM B 584
  • Top Access Check Covers for easy maintenance
  • Protects against backsiphonage and backpressure
  • ASSE® Listed 1015 for non-potable applications

Description

The Zurn Wilkins 950XLT Double Check Backflow Preventer, 1.5 inch, is designed to protect non-potable water lines from backsiphonage and backpressure in low health hazard applications. Featuring NPT threaded connections and a durable cast bronze body (ASTM B 584), this assembly provides reliable protection with a maximum working pressure of 175 PSI and temperature of 180°F. Its top access design ensures hassle-free maintenance. It is ASSE 1015 listed and suitable for below-grade installation. Item number 112-950XLTOSY.

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Installation & Connections

  • This 1.5 inch backflow preventer features NPT threaded end connections (ANSI B1.20.1) and is designed to connect directly to corresponding 1.5 inch NPT pipe.
  • Installation must be in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code.
  • The assembly should be mounted at a minimum of 12 inches (305mm) and a maximum of 30 inches (762mm) above adequate drains, ensuring sufficient side clearance for testing and maintenance.
  • For below-grade installations in standard valve boxes, ensure adequate drainage is provided to prevent submersion.
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Additional Details

The Zurn Wilkins Model 950XLT Double Check Valve Assembly protects non-potable water lines from backsiphonage and backpressure of polluted water. This 1.5 inch top access unit is ideal for low health hazard applications and can be installed below grade in standard valve boxes.

Application & Features

  • Designed to protect against both backsiphonage and backpressure into the potable water supply where a potential non-health hazard exists.
  • Suitable for non-potable applications only.
  • Features top access check covers for easy maintenance and service.
  • Includes a test cock plug to protect against fouling from insects, dirt, and debris.
  • Constructed with corrosion-resistant stainless steel springs, fasteners, and ball valve handles for extended durability.
  • Replaceable seats and silicone seal rings for reduced maintenance costs.
  • Designed to fit within standard meter boxes for below-grade installations.

Construction Materials

  • Main Valve Body: Cast Bronze ASTM B 584
  • Access Covers: Cast Bronze ASTM B 584
  • Fasteners: Stainless Steel, 300 Series
  • Elastomers: Silicone, Buna Nitrile
  • Polymers: Noryl™
  • Springs: Stainless steel, 300 series
  • Test Cock Cover: Plastic
  • Ball Valve Handles: Stainless steel

Specifications

  • Size: 1.5 inch
  • End Connections: Threaded (ANSI B1.20.1)
  • Maximum Working Water Pressure: 175 PSI
  • Maximum Working Water Temperature: 180°F
  • Hydrostatic Test Pressure: 350 PSI
  • Check Valve Angle: 45°
  • Ball Valves: Full Port

Body Materials

  • Main Valve Body: Cast Bronze ASTM B 584
  • Access Covers: Cast Bronze ASTM B 584
  • Seat Ring: Noryl™
  • Seat Disc Elastomers: Silicone
  • Fasteners: Stainless Steel, 300 Series
  • Springs: Stainless steel, 300 series
  • Ball Valve Handles: Stainless steel
  • Test Cock Cover: Plastic

Certificates & Approvals

  • ASSE® Listed: 1015 (Vertical flow-up: 1 1/4" thru 2")
  • cUPC® Listed
  • AWWA Compliant: C510
  • CSA® Certified: B64.5 (Vertical flow-up: 1 1/2" & 2")
  • NYC MEA: 426-89-M VOL 3
  • IAPMO® Listed
  • Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (950XLTU: 3/4" & 1" Horizontal)

FAQs

What is the primary purpose of the Zurn Wilkins 950XLT Double Check Valve Assembly?

It is designed to protect non-potable water lines from both backsiphonage and backpressure of polluted water, specifically in applications where a potential non-health hazard exists.

What size and type of connections does this backflow preventer use?

This particular model is 1.5 inch and features NPT threaded end connections, conforming to ANSI B1.20.1 standards.

Can the Zurn Wilkins 950XLT be installed below ground?

Yes, it is suitable for below-grade installation within standard valve boxes, provided that adequate drainage is supplied to prevent the device from being submerged.

What are the key materials used in the construction of this device?

The main valve body and access covers are made from Cast Bronze ASTM B 584. Internal components include stainless steel springs and fasteners, Noryl™ polymers for seat rings, and silicone elastomers for seat discs.

What maintenance features does the 950XLT model offer?

The unit features top access check covers for easy maintenance and repair, along with fully replaceable seats and silicone seal rings to reduce maintenance costs. Test cocks are also accessible from the top.