1-1/4 inch x 1/2 inch Black Iron Reducing Coupling Female x Female

1-1/4" x 1/2" Black Malleable Iron Reducing Coupling – Threaded for Secure Connections

This 1-1/4" x 1/2" reducing coupling is manufactured from black malleable iron and designed for dependable use in steam, air, water, gas, and oil applications. The threaded ends conform to ASME B1.20.1 standards, ensuring compatibility with standard Schedule 40 steel pipe systems.

Its robust cast construction and reduced size transition make this fitting a go-to solution for joining different pipe sizes where corrosion resistance and mechanical strength are required in non-potable pressure applications.

Key Benefits

• ✅ ANSI/ASME B16.3 Compliant – Engineered to meet dimensional and pressure specifications for threaded malleable fittings.
• ✅ Corrosion-Resistant Black Finish – Ideal for gas and oil installations where galvanized coatings are not suitable.
• ✅ Factory-Cast Threads – Provides tight engagement for secure, leak-resistant joints.
• ✅ Durable Iron Body – Withstands mechanical stress and high-pressure conditions.
• ✅ Threaded Female x Female Ends – Simplifies assembly in rigid piping systems.

Technical Specifications

• Material: Black malleable cast iron
• Connection Type: NPT Female x NPT Female
• End Sizes: 1-1/4 inch x 1/2 inch
• Pressure Rating: 150 psi working pressure (typical)
• Compliance: ASME B16.3, ASTM A197, ANSI/ASME B1.20.1

Installation Considerations

Apply appropriate pipe thread sealant or PTFE tape to male pipe threads before assembly. Wrench-tighten for secure engagement without over-torquing to avoid thread damage. Always verify system pressure limits and check for local code compliance when using in gas distribution networks.

Common Applications

This reducing coupling is typically used in gas distribution, air lines, industrial fluid transfer, and heating systems. Suitable for applications requiring a reduction in pipe size while maintaining threaded connectivity under pressure.

Note

This fitting is not suitable for potable water systems unless explicitly rated as lead-free under NSF/ANSI 372 or NSF 61-G guidelines.

Choose this black malleable iron reducing coupling for its industry-standard compliance, mechanical integrity, and suitability across multiple utility and HVAC systems where reliability and performance are critical.