The Wilkins 2-40XL2 is a lead-free in-line single check valve designed for potable water systems, well pumps, and backflow prevention applications requiring tight seating and reliable performance.

Key Specifications:

• Size: 2 Inches
• Maximum Working Pressure: 400 psi WOG
• Maximum Working Temperature: 210°F
• Notable Certifications: UL Classified ANSI/NSF 61, 372
• End Connections: Threaded ANSI B1.20.1

Other Related Variants:

• 1 1/4-40XL2: 1 1/4 Inches model size
• 1 1/2-40XL2: 1 1/2 Inches model size
• 1-40XL2: 1 Inch model size
• 3/4-40XL2: 3/4 Inches model size

Materials:

• Main Valve Body: Lead Free Brass
• Disc: Polyphenylene Sulfide
• Seat: NBR
• Spring: Stainless Steel, 300 Series
• Retainer: Polyacetal

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. Not recommended for installation in sewage ejector piping or for reciprocating air compressor service.

Standards Compliance:

UL Classified; ANSI/NSF Standard 61; ANSI/NSF Standard 372

Features & Benefits:

• Lead-Free Construction: Complies with 0.25% maximum weighted average lead content for safe potable water applications.
• Tight Seating Performance: Provides reliable backstop protection to eliminate backflow preventer discharge from pressure fluctuations and water hammer.
• Durable Materials: Features lead-free brass body, stainless steel spring, and polyphenylene sulfide disc for long-lasting performance.
• Versatile Application: Ideal for domestic and commercial water systems including well pump installations and positive backstop requirements.

FAQ

Q: What is the maximum working pressure for the Zurn 2-40XL2?

A: The Zurn 2-40XL2 is rated for 400 psi WOG maximum working water pressure.

Q: Can this valve be installed in sewage ejector systems?

A: No, the Wilkins 2-40XL2 is not recommended for installation in sewage ejector piping or for reciprocating air compressor service.

Q: Is the 2-40XL2 safe for potable water systems?

A: Yes, the valve is UL Classified to ANSI/NSF Standard 61 and 372 with 0.25% maximum lead content, making it safe for potable water use.

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