The Wilkins 2-350XL is a double check valve assembly engineered to protect potable water systems from backsiphonage and backpressure contamination.

Key Specifications:

• Size: 2 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:

• 34-350XL: 3/4 Inches model size
• 1-350XL: 1 Inches model size
• 114-350XL: 1 1/4 Inches model size
• 112-350XL: 1 1/2 Inches model size

Materials:

• Reinforced Nylon housing
• Low Lead Cast Bronze main valve body (ASTM B 584) for 3/4" and 1" sizes
• Stainless Steel fasteners (300 Series)
• Silicone elastomers (FDA Approved)
• Buna Nitrile elastomers (FDA Approved)
• Delrin internals
• Stainless Steel springs (300 series)
• Low Lead Cast Bronze ball valves (ASTM B 584)
• Stainless Steel struts (300 Series)
• Stainless Steel handles (200 Series)

Typical Installation:

Local codes shall govern installation requirements. To be installed in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side clearance for testing and maintenance. If installed below grade, be certain adequate drainage is provided to prevent the device from being submerged. Suitable for both indoor and outdoor installations with appropriate protective enclosures.

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; UL Classified (less shut-off valves only); C-UL Classified (less shut-off valves only); NSF/ANSI/CAN 61 and 372

Features & Benefits:

• Lead-Free Compliance: Certified to NSF/ANSI/CAN 61 and 372 with less than 0.25% weighted average lead content for safe potable water applications.
• Dual Protection: Provides reliable protection against both backsiphonage and backpressure in non-health hazard applications.
• Easy Maintenance: First and second checks are accessible for maintenance without removing the Zurn 2-350XL device from the line.
• Versatile Installation: Suitable for both horizontal and vertical mounting in indoor or outdoor environments with full port ball valves included.

FAQ

Q: What is the maximum working pressure and temperature for the Zurn 2-350XL?

A: The maximum working water pressure is 175 PSI and the maximum working water temperature is 180°F. The hydrostatic test pressure rating is 350 PSI.

Q: Can the Wilkins 2-350XL be installed in both horizontal and vertical positions?

A: Yes, the 2-350XL is certified for both horizontal and vertical installation according to ASSE 1015 standards.

Q: What type of thread connections does this valve have?

A: The valve features threaded ANSI B1.20.1 end connections and comes standard with full port QT ball valves for easy shut-off and maintenance.

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