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The Wilkins 34-70XLCP is a lead-free water pressure reducing valve designed for potable water lines, featuring copper sweat union inlet connection and balanced piston design for smooth, responsive pressure regulation.

Key Specifications:

• Size: 3/4 Inches
• Maximum Working Water Pressure: 300 psi
• Maximum Working Water Temperature: 180°F
• Notable Certifications: ASSE 1003, CSA B356, NSF/ANSI/CAN 61 & 372, IAPMO
• Connection Type: Copper Sweat Union x FNPT

Other Related Variants:

• 34-70XLDULU: Double union FNPT connection version

Materials:

• Body: Low Lead Cast Bronze (ASTM B 584)
• Bell Housing: Glass Reinforced Nylon
• Seat: Stainless Steel, 300 series
• Stem & 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 Zurn 34-70XLCP may be installed in any position. If installed in a pit, vault or indoors, specify the 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). Copper sweat union inlet allows soldered pipe connection while maintaining serviceability. Gauge tap allows downstream pressure monitoring.

Standards Compliance:

ASSE 1003; CSA B356; NSF/ANSI/CAN 61 & 372; IAPMO Listed; City of Los Angeles Approved

Features & Benefits:

• Balanced Piston Design: Provides smooth and responsive pressure regulation during changes in system flow demand while protecting against inlet pressure fluctuations.
• Unitized Replaceable Cartridge: Reduces time involved with cleaning and maintenance, with all internal corrosion-resistant parts included in a single replaceable unit.
• Integral Bypass Design: Prevents buildup of excessive system pressure caused by thermal expansion in closed water heating systems.
• Copper Sweat Union Connection: Allows soldered pipe installation while maintaining serviceability and includes downstream pressure gauge tap for monitoring.

FAQ

Q: What is the factory preset pressure setting for the Zurn 34-70XLCP?

A: The valve is factory preset at 50 psi with an adjustable pressure range of 25 psi to 75 psi. A pressure gauge must be used downstream to verify correct pressure setting 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, the sealed cage option should be specified.

Q: What type of pipe connection does the CP option provide?

A: The CP option provides a copper sweat union inlet connection that allows for soldered pipe installation while maintaining the ability to service the valve. The outlet is FNPT threaded connection and includes a tap for downstream pressure gauge installation.

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