The Wilkins 1-70XLDUC is a lead-free water pressure reducing valve designed to reduce high inlet pressure on potable water lines with double union FNPT and FC connections.

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: Double Union FNPT/FC

Other Related Variants:

• 34-70XLDUC: 3/4 Inches version

Materials:

• Body and Bell: Cast Bronze ASTM B584
• Seat: Stainless Steel, 300 Series
• Stem and Sleeve: Stainless Steel, 300 Series
• Elastomers: Buna Nitrile, FDA (CFR) 21, 177.2600
• Elastomers: EPDM, FDA (CFR) 21, 177.2600
• Strainer Screen: Stainless Steel, 300 Series

Typical Installation:

Local codes shall govern installation requirements. 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 Model 70XL may be installed in any position. If installed in a pit, vault or indoors, 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 & 372

Features & Benefits:

• Lead-Free Compliance: Meets NSF/ANSI/CAN 61 & 372 with less than 0.25% weighted average lead content for safe potable water applications.
• Replaceable Cartridge Design: Unitized cartridge reduces cleaning and maintenance time while the Zurn 1-70XLDUC integral bypass prevents excessive system pressure from thermal expansion.
• Balanced Piston Technology: Smooth and responsive reaction to system flow changes while providing protection from inlet pressure variations.
• Versatile Installation: Can be installed in any position with double union connections for easy maintenance and serviceability.

FAQ

Q: What is the adjustable pressure range for the Zurn 1-70XLDUC?

A: The reduced pressure range is adjustable from 25 psi to 75 psi, with a factory preset of 50 psi. Always use a downstream pressure gauge when making adjustments.

Q: Can this valve be installed in any orientation?

A: Yes, the Model 70XL may be installed in any position. However, if installed in a pit, vault, or indoors, specify the "SC" sealed cage option.

Q: What type of connections does the 1-70XLDUC model have?

A: The 1-70XLDUC features double union connections with both FNPT (Female National Pipe Thread) and FC (Copper Sweat) connection options for flexible installation.

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