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The Wilkins 1-950XLT2FT is a top access double check valve assembly designed to protect potable water lines from backsiphonage and backpressure contamination where non-health hazards exist.

Key Specifications:

• Size: 1 Inches
• Maximum Working Water Pressure: 175 PSI
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1015, cUPC, CSA B64.5
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 3/4-950XLT2FT: 3/4 Inches version
• 1 1/4-950XLT2FT: 1 1/4 Inches version
• 1 1/2-950XLT2FT: 1 1/2 Inches version
• 2-950XLT2FT: 2 Inches version

Materials:

• Main valve body: Low Lead Cast Bronze ASTM B 584
• Access covers: Low Lead Cast Bronze ASTM B 584
• Fasteners: Stainless Steel, 300 Series
• Elastomers: Silicone
• Elastomers: Buna Nitrile
• Polymers: Noryl™
• Springs: Stainless steel, 300 series
• Test cock cover: Plastic
• Ball valve handles: Stainless steel

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code. The Zurn 1-950XLT2FT assembly shall be mounted at a minimum of 12 inches and a maximum of 30 inches above adequate drains with sufficient side clearance for testing and maintenance. If installed below grade, ensure adequate drainage is provided to prevent the device from being submerged.

Standards Compliance:

ASSE Listed 1015; cUPC Listed; CSA Certified B64.5; AWWA Compliant C510; Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California (Horizontal installations only); Meets the requirements of NSF/ANSI/CAN 61 and 372 (Less than 0.25% Weighted Average Lead Content)

Features & Benefits:

• Top Access Design: First and second check valves located at 45° angle and accessible for maintenance from the top without removing device from the line.
• Fast Test Cocks: Equipped with "Fast Test" test cocks accessible from the top, protected from debris by plugs for reliable testing and maintenance.
• Lead-Free Compliance: Meets NSF/ANSI/CAN 372 standards with less than 0.25% weighted average lead content, ideal for potable water applications.
• Full Port Ball Valves: Provides maximum flow capacity and reliable shutoff for service and maintenance operations.

FAQ

Q: What is the recommended installation height for the Wilkins 1-950XLT2FT?

A: The assembly shall be mounted at a minimum of 12 inches and a maximum of 30 inches above adequate drains with sufficient side clearance for testing and maintenance.

Q: Can the Zurn 1-950XLT2FT be installed in both horizontal and vertical positions?

A: Yes, the assembly is certified for both horizontal and vertical flow-up installations according to ASSE 1015 and other applicable standards.

Q: What type of backflow protection does this assembly provide?

A: The double check valve assembly protects against both backsiphonage and backpressure of polluted water where a potential non-health hazard exists.

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