The Wilkins 34-70XLDU is a lead-free water pressure reducing valve designed for potable water applications, featuring a balanced piston design and unitized replaceable cartridge for efficient maintenance.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 140°F
• Notable Certifications: ASSE 1003, IAPMO, CSA
• Connection Type: Double Union FNPT

Other Related Variants:

• 1-70XLDU: 1 Inch model size

Materials:

• Body and bell: Cast Bronze ASTM B 584
• Seat: 300 Series Stainless Steel
• Stem and sleeve: 300 Series Stainless Steel
• Elastomers: Buna Nitrile FDA (CFR) 21, 177.2600
• Elastomers: EPDM FDA (CFR) 21, 177.2600
• Strainer screen: 300 Series Stainless Steel

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. Anytime a reducing valve is adjusted, a pressure gauge must be used downstream to verify correct pressure setting.

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 standards with less than 0.25% weighted average lead content for safe potable water applications.
• Balanced Piston Design: Provides smooth and responsive reaction to system flow demand changes while protecting against inlet pressure variations.
• Integral Bypass Protection: Direct acting integral bypass design prevents buildup of excessive system pressure caused by thermal expansion.
• Easy Maintenance: Unitized replaceable cartridge reduces time involved with cleaning and maintenance procedures.

FAQ

Q: Can the Zurn 34-70XLDU 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, the "SC" sealed cage option should be specified.

Q: What is the factory preset pressure for the Wilkins 34-70XLDU?

A: The valve is factory preset at 50 psi and can be adjusted to provide reduced pressure in the range of 25 psi to 75 psi using a downstream pressure gauge.

Q: What pressure reduction ratio is recommended for the Zurn 34-70XLDU?

A: Multiple installations are recommended for wide demand variations or where the desired pressure reduction is more than 4 to 1 (for example, 200 psi inlet reduced to 50 psi outlet).

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