3/4 inch x 5/8 inch Bronze Pack Joint Reducing Coupling Pack Joint x Pack Joint

3/4 Inch x 5/8 Inch Bronze Pack Joint Reducing Coupling – Lead-Free, Compression End

The 3/4 Inch x 5/8 Inch Bronze Pack Joint Reducing Coupling is designed for direct connection between dissimilar CTS (Copper Tube Size) pipe diameters in municipal and commercial water service lines. Engineered for compression-to-compression installations, this reducing coupling ensures secure and leak-resistant transitions in systems where long-term reliability is essential.

Product Features

• Connection Type: Compression Joint – Pack Joint x Pack Joint (Reducing)
• End Sizes: 3/4 inch CTS x 5/8 inch CTS
• Material: Cast bronze, lead-free (compliant with NSF/ANSI 61 & 372)
• Seal: Buna-N or equivalent O-ring, resistant to potable water conditions
• Pressure Rating: Up to 150 PSI cold water working pressure (non-shock)

Application & Usage

This coupling is primarily utilized in underground or above-ground water distribution systems where copper, polyethylene, or other CTS-rated piping is used. The pack joint design accommodates minor pipe OD variation and thermal movement, making it ideal for transitional repairs or diameter reduction within confined service connections or meter risers.

Performance Advantages

• Corrosion-Resistant: Cast from lead-free bronze, offering long service life in potable water and soil-contact environments.
• Mechanical Grip: The compression-style insert and nut assembly provide a watertight, mechanical seal without soldering or heat application.
• Tool-Free Adjustability: Allows for easy installation and removal using common hand tools—no specialized pressing equipment required.
• Field Proven: Trusted for decades in utility and municipal installations for water meter sets, main-to-service transitions, and repair coupling assemblies.

Installation Considerations

• Clean and deburr pipe ends before assembly.
• Insert pipe fully into each end of the coupling; tighten compression nuts to manufacturer torque spec (typically 60–80 in-lbs for smaller sizes).
• Verify compatibility with pipe material; use correct stiffeners for plastic pipes when required.

Standards & Approvals

• Complies with AWWA C800 (as applicable for compression fittings)
• NSF/ANSI 61 – Certified for potable water systems
• NSF/ANSI 372 – Certified lead-free

The 3/4 Inch x 5/8 Inch Bronze Pack Joint Reducing Coupling is a professional-grade solution for contractors requiring durable, code-compliant transitions between varying CTS pipe sizes. It supports a wide range of municipal and utility applications where performance and serviceability are non-negotiable.