The Wilkins 1-600XL3 is a water pressure reducing valve with integral strainer designed for residential and commercial potable water systems to reduce high inlet pressure to lower outlet pressure while filtering sediment and debris.

Key Specifications:

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

Other Related Variants:

• 34-600XL3: 3/4 Inches model size
• 112-600XL3: 1 1/2 Inches model size
• 114-600XL3: 1 1/4 Inches model size
• 2-600XL3: 2 Inches model size

Materials:

• Low lead cast bronze ASTM B806 (body and bell housing)
• Stainless steel, 300 series (fasteners, stem, plunger, springs, strainer screen)
• Buna Nitrile (FDA approved elastomers)
• EPDM (FDA approved elastomers)
• Noryl™ (cartridge)

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 1-600XL3 may be installed in any position. Multiple installations in series are required when the desired pressure reduction is more than 3 to 1. Due to highly efficient flow performance, only use the 600XL3DUBP as low flow bypass valve options. Typical 600XL3 installations do not require a bypass valve for effective low flow capability.

Standards Compliance:

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

Features & Benefits:

• Integral Strainer: Built-in strainer filters sediment and debris for residential and commercial water systems requiring frequent cleaning.
• Patented Venturi Design: Enables best-in-class flow performance for easier sizing and ideal water pressure at higher flow rates.
• Balanced Piston Design: Provides smooth and responsive reaction to system flow demand changes with protection from inlet pressure changes.
• Removable Cartridge: Cost-effective repair kits and removable cartridge significantly reduce maintenance time and costs.

FAQ

Q: Can the Wilkins 1-600XL3 be installed in any orientation?

A: Yes, the Zurn 1-600XL3 may be installed in any position with sufficient side clearance for testing and maintenance.

Q: What pressure reduction ratio requires multiple valves in series?

A: Multiple installations in series are required when the desired pressure reduction is more than 3 to 1 (e.g., 150 psi inlet reduced to 50 psi outlet).

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

A: Always use a downstream pressure gauge to verify correct pressure setting when adjusting the valve. Do not bottom-out the adjustment bolt on the bell housing.

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