The Wilkins RK6-350CK2 is a complete repair kit designed for servicing the #2 check assembly in 6-inch commercial backflow preventers, ensuring reliable performance and system integrity.

Key Specifications:

• Size: 6 Inches
• Compatible Models: 350, 350A, 350DA, 375A, 375DA, 450DA, 475DA
• Assembly Type: #2 Check Assembly
• Application: Commercial backflow preventers
• Kit Type: Complete repair kit

Other Related Variants:

• RK212-350CK2: 2 1/2 Inches to 3 Inches version
• RK4-350CK2: Up to 4 Inches version
• RK8-350CK2: 8 Inches to 12 Inches version

Materials:

• Seat Retainer components
• O-Ring seals
• Stainless steel bolts and fasteners
• Washers
• Poppet retainer assembly
• Seal rings
• Seat assembly materials
• Specialty lubricant

Typical Installation:

This repair kit is designed for servicing second check assemblies in large-diameter commercial and industrial backflow prevention systems, including municipal water systems, industrial facilities, irrigation applications, fire protection systems, and commercial buildings requiring reliable backflow prevention maintenance.

Standards Compliance:

Designed for use with backflow preventers meeting industry standards for commercial water supply protection

Features & Benefits:

• Complete Assembly: Includes all necessary components for thorough #2 check assembly repair in one comprehensive kit.
• Wide Compatibility: Works with multiple Wilkins RK6-350CK2 model series including 350, 350A, 350DA, 375A, 375DA, 450DA, and 475DA backflow preventers.
• Professional-Grade Components: Features high-quality seals, retainers, and fasteners designed for long-lasting performance in demanding commercial applications.
• Maintenance Ready: Provides everything needed for efficient servicing, including specialty lubricant to ensure proper installation and operation.

FAQ

Q: Which valve models are compatible with the Zurn RK6-350CK2 repair kit?

A: This kit is compatible with 6-inch Models 350, 350A, 350DA, 375A, 375DA, 450DA, and 475DA backflow preventers.

Q: What components are included in the Zurn RK6-350CK2?

A: The kit includes Seat Retainer #2, O-Ring Check, Bolt Poppet Retainer, Washer Poppet Bolt, O-Ring Poppet Bolt, Poppet Retainer, Seal Ring, Seat Assembly #2 Poppet, and Lubricant.

Q: Can I use this repair kit for other valve sizes?

A: No, this kit is specifically designed for 6-inch valves. For other sizes, use RK212-350CK2 (2-1/2"–3"), RK4-350CK2 (up to 4"), or RK8-350CK2 (8"–12").

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