The Wilkins 12-P1550XL-125 is a lead-free pressure relief valve designed for cold water service lines, protecting against excessive pressure buildup in commercial and industrial applications.

Key Specifications:

• Size: 1/2 Inches
• Relief Pressure Setting: 125 psi
• Maximum Working Temperature: 210°F
• Notable Certifications: NSF/ANSI 372
• Connection Type: Male NPT x Female NPT

Other Related Variants:

• 12-P1550XL-75: 1/2 Inches size, 75 psi relief setting
• 34-P1550XL-75: 3/4 Inches size, 75 psi relief setting
• 34-P1550XL-125: 3/4 Inches size, 125 psi relief setting

Materials:

• Body: Low Lead Cast Bronze
• Access Covers: Brass
• Internals: Stainless Steel and Brass
• Elastomers: Silicone and Buna Nitrile
• Springs: Stainless Steel

Typical Installation:

The Zurn 12-P1550XL-125 shall be installed on cold water service lines for pump pressure relief applications. Local codes shall govern installation requirements in accordance with the manufacturers' instructions and the latest edition of the Uniform Plumbing Code. Assembly shall be installed with adequate drain and sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged or where relief valve discharge could cause damage. Suitable for static relief, low capacity pump relief, passive solar, and other similar uses in commercial and industrial applications.

Standards Compliance:

NSF/ANSI 372 (0.25% Maximum Weighted Average Lead Content) certified by IAPMO R&T; ANSI B1.20.1 threaded connections

Features & Benefits:

• Lead-Free Compliance: Certified to NSF/ANSI 372 with 0.25% maximum weighted average lead content, ensuring safe drinking water quality.
• Durable Construction: Low lead cast bronze body with stainless steel internals provides long-lasting performance and corrosion resistance.
• Pressure Protection: 125 psi relief setting protects systems from excessive pressure buildup, with maximum working pressure of 175 psi.
• Versatile Applications: Ideal for static relief, low capacity pump relief, passive solar systems, and commercial/industrial cold water service lines.

FAQ

Q: What is the maximum working pressure and temperature for the Wilkins 12-P1550XL-125?

A: The Zurn 12-P1550XL-125 has a maximum working water pressure of 175 psi and maximum working water temperature of 210°F.

Q: What type of connections does this pressure relief valve have?

A: This valve features Male NPT inlet x Female NPT outlet threaded connections conforming to ANSI B1.20.1 standards.

Q: Can this valve be used for temperature relief applications?

A: No, this device is for pressure relief only and should be used in conjunction with other temperature limiting devices for complete protection.

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