The Wilkins 1-625XL3 is a competitor replacement length pressure reducing valve with an integral strainer, designed to reduce high inlet pressure on potable water lines while providing superior flow performance and easy maintenance.

Key Specifications:

• Size: 1 Inches
• Maximum Working Pressure: 400 psi
• Maximum Working Temperature: 140°F
• Notable Certifications: ASSE 1003, cUPC, CSA B356
• Connection Type: Single Union FNPT

Other Related Variants:

• 34-625XL3: 3/4 Inches model size
• 112-625XL3: 1 1/2 Inches model size
• 114-625XL3: 1 1/4 Inches model size
• 2-625XL3: 2 Inches model size

Materials:

• Main Valve Body & Bell Housing: Low Lead Cast Bronze ASTM B806
• Fasteners: 300 Series Stainless Steel
• Stem: 300 Series Stainless Steel
• Plunger: 300 Series Stainless Steel
• Elastomers: Buna Nitrile (FDA Approved)
• Elastomers: EPDM (FDA Approved)
• Springs: 300 Series Stainless Steel
• Cartridge: Noryl™

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted in accordance with the manufacturer's instructions and the latest edition of the Uniform Plumbing Code. The assembly shall be installed with sufficient side clearance for testing and maintenance. The Zurn 1-625XL3 may be installed in any position. Multiple installations in series are required when the desired pressure reduction is more than 3 to 1 (i.e. 150 psi inlet reduced to 50 psi outlet).

Standards Compliance:

ASSE Listed 1003; cUPC Listed; CSA Certified B356; Meets NSF/ANSI/CAN 61 & 372

Features & Benefits:

• Best-in-Class Flow Performance: Patented integral venturi design enables superior flow rates, making sizing easier and providing ideal water pressure at higher flow demands.
• Enhanced Corrosion Resistance: Premium 300 series stainless steel internals as standard ensure lasting durability and protection against corrosion in potable water applications.
• Easy Maintenance & Lower Costs: Removable cartridge design and cost-effective repair kits significantly reduce maintenance time and service costs without removing the body from the line.
• Thermal Expansion Protection: Integral by-pass prevents buildup of excessive system pressure caused by thermal expansion, with balanced piston design providing smooth response to system flow changes.

FAQ

Q: Can the Zurn 1-625XL3 be installed in any orientation?

A: Yes, the valve may be installed in any position. Ensure sufficient side clearance is provided for testing and maintenance access.

Q: What pressure reduction ratio does this valve support?

A: For pressure reductions greater than 3 to 1 (such as reducing 150 psi to 50 psi), multiple valves must be installed in series.

Q: How do I adjust the outlet pressure on this valve?

A: Always use a downstream pressure gauge to verify correct pressure setting when adjusting. Do not bottom-out the adjustment bolt on the bell housing. The valve is factory preset at 50 psi with an adjustable range of 15-75 psi.

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