The Wilkins 1-625XL is a competitor replacement pressure reducing valve designed for potable water service lines, reducing high inlet pressure with integral by-pass check valve and strainer protection.

Key Specifications:

• Size: 1 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: FNPT Union Inlet

Other Related Variants:

• 34-625XL: 3/4 Inches version

Materials:

• Low Lead Cast Bronze ASTM B 584 (Main Valve Body)
• Low Lead Cast Bronze ASTM B 584 (Access Covers)
• Low Lead Brass
• Stainless Steel, 300 Series (Fasteners)
• Stainless Steel, 300 Series (Strainer Screen)
• Stainless Steel, 300 Series (Seat)
• Buna Nitrile, FDA Approved (Elastomers)
• EPDM, FDA Approved (Elastomers)
• Natural Vulcanized Fibre (Cap Gaskets)
• Acetal Delrin (Cap Gaskets)

Typical Installation:

Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted in accordance with the latest edition of the Uniform Plumbing Code. The Zurn 1-625XL may be installed in any position. If installed in a pit, vault or inside application, specify the "SC" sealed cage option. Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 4 to 1 (i.e.: 200 psi inlet reduced to 50 psi outlet).

Standards Compliance:

ASSE Listed 1003; IAPMO Listed; CSA Certified; City of Los Angeles Approved; NSF/ANSI/CAN 61; NSF/ANSI/CAN 372

Features & Benefits:

• Drop-In Competitor Replacement: Directly replaces single union competitor model 25AUB, making upgrades simple and cost-effective.
• Integral By-Pass Protection: Prevents buildup of excessive system pressure caused by thermal expansion with direct acting integral by-pass check valve design.
• Easy Maintenance Access: Bronze threaded bell housing allows rapid access to internals; separate access covers for plunger and strainer screen enable frequent cleaning.
• Balanced Piston Design: Provides smooth and responsive reaction to system flow demand changes while protecting against inlet pressure fluctuations.

FAQ

Q: What competitor model does the Zurn 1-625XL replace?

A: The Wilkins 1-625XL directly replaces single union competitor model 25AUB, offering a drop-in replacement solution with enhanced lead-free construction.

Q: Can this valve be installed in any orientation?

A: Yes, the Model 625XL may be installed in any position. For pit, vault, or inside applications, specify the "SC" sealed cage option for added protection.

Q: What is the factory preset pressure setting?

A: The valve comes factory preset at 50 psi, with a standard reduced pressure range of 25 psi to 75 psi. Always use a pressure gauge downstream when adjusting to verify correct pressure setting.

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