1-1/4 inch Carbon Steel Water Press Adapter Press x Male

1-1/4 inch Carbon Steel Press x Male Adapter for Potable Water and Hydronic Systems

The 1-1/4 inch Carbon Steel Water Press Adapter (Press x Male Thread) is a transition fitting designed for use in mechanical piping systems requiring a change from press connections to threaded terminations. Suitable for closed-loop hydronic and potable water systems, this adapter is built from corrosion-resistant carbon steel and manufactured to support code-compliant, high-pressure installations.

Product Design and Material Features

This press adapter is fabricated from cold-formed carbon steel and includes a factory-installed sealing element at the press end, along with precision-cut male NPT threads on the outlet. It is compatible with standard press tools and jaws used in joining carbon steel piping systems.

• ✅ Carbon Steel Body Constructed from ASTM A420-grade material for mechanical strength and pressure tolerance.
• ✅ Press Connection Inlet end designed for flame-free installation using approved press tools; ensures uniform sealing with O-ring compression.
• ✅ Male NPT Outlet Threaded connection for direct integration with brass, steel, or cast iron components.
• ✅ Zinc-Plated Finish Provides corrosion resistance in typical dry or low-humidity environments.
• ✅ Leak Detection Compatible Designed to support tool-actuated leak detection during pressure testing procedures.

Technical Specifications

• Material: Carbon Steel (ASTM A420 or equivalent)
• Connection Type: Press x Male NPT
• Nominal Size: 1-1/4 Inch
• Sealing Element: EPDM O-ring (factory installed; compatible with potable water)
• Standards: Conforms to ASME B16.51, IAPMO/UPC, and NSF 61/372 for drinking water applications

Installation Requirements

Requires use of manufacturer-approved press tools and jaws appropriate to pipe size and system application. Threaded connections should be made with pipe dope or PTFE tape rated for potable water or hydronic use. Do not use for fuel gas or compressed air systems unless specifically certified for that purpose.

Typical Applications

Commonly installed in commercial and residential systems for transitioning from press-joined piping to threaded valves, manifolds, or mechanical equipment. Typical installations include boiler connections, potable water risers, and loop headers in heating or cooling systems.

Material Consideration

Carbon steel press fittings are often chosen for their mechanical strength, dimensional stability, and speed of installation. They offer a code-compliant alternative to welded or threaded joints in non-corrosive indoor environments where rapid, flame-free installation is required.

The 1-1/4 inch Carbon Steel Press x Male Adapter provides a durable and efficient transition between press and threaded piping in mechanical systems. Ideal for high-demand service conditions requiring long-term joint integrity with minimal maintenance.