3/4 inch Copper Press Union Press x Female

3/4 inch Copper Press Union x Female Thread – Lead-Free Transition Fitting

The 3/4 inch copper press union with female NPT connection is engineered for secure transitions between press copper systems and threaded distribution or fixture components. Designed for use in domestic water and hydronic systems, it provides a dependable, heat-free connection solution compatible with modern press technology.

Technical Advantages for Field Use

This union fitting supports high-integrity sealing and simplified installation in copper-based piping systems. Key features include:

• ✅ Press Connection (End A) Compatible with standard copper press tools and jaws, allowing fast, flame-free installation.
• ✅ Female Threaded Connection (End B) Standard NPT threads for integration with valves, equipment, or threaded copper adapters.
• ✅ Lead-Free Construction Manufactured from certified lead-free alloy in compliance with national potable water codes (NSF/ANSI 61 and 372).
• ✅ Precision-Machined Sealing Surfaces Ensures consistent gasket compression and long-term joint reliability under pressure.
• ✅ Dielectric Isolation Potential Union design may serve as a point of material transition or separation between dissimilar metals.

Material and Dimensional Details

• Connection Type: Press x Female NPT
• Nominal Size: 3/4 inch
• Material: Lead-free brass or bronze body, EPDM sealing element
• System Compatibility: Copper tube (ASTM B88, Types K, L, M)
• Pressure Rating: Typically up to 200 psi (verify manufacturer specifications)

Installation Requirements

Install using an approved press tool system and verify correct jaw compatibility with the fitting profile. Ensure tube ends are properly prepped (deburred and cleaned) prior to pressing. Use thread sealant or PTFE tape on the NPT side as needed. Follow applicable torque specifications when connecting to brass, copper, or steel system components.

Common Applications

Used in potable water lines, heating loops, and equipment tie-ins where a press-to-thread transition is needed. Suitable for residential, commercial, and light industrial systems requiring reliable mechanical union points without soldering or flame work.

Compliance Insight

All fittings intended for potable water use must comply with federal and state lead-free mandates. This union is manufactured in accordance with applicable standards and marked accordingly for field verification.

The 3/4 inch copper press x female union provides a reliable, code-compliant solution for systems where modular connection and serviceability are required. Designed for mechanical efficiency and field durability, it’s a preferred choice for pros working on copper-based installations.