2 inch Galvanized Iron Coupling Female x Female

2" Galvanized Iron Coupling – Threaded FPT Connection for Schedule 40 Steel Pipe

The 2" galvanized iron coupling is a female-threaded fitting designed to join two sections of male-threaded steel pipe. Manufactured from cast malleable iron and hot-dip galvanized to ASTM specifications, this fitting provides corrosion resistance in low- to medium-pressure piping systems.

Its full-coupling configuration allows for continuous piping runs in mechanical, water distribution, and gas service applications. Threads are machined to ANSI B1.20.1 standards, ensuring a secure connection and system integrity under working pressure.

Product Characteristics

• ✅ Galvanized Coating: Zinc layer offers protection against corrosion in damp or exposed environments.
• ✅ Threaded FPT x FPT: Internal threads at both ends support seamless inline pipe connections.
• ✅ Cast Malleable Iron: Durable under mechanical stress and temperature fluctuations common in industrial systems.
• ✅ Conforms to Industry Standards: Meets applicable ASTM and ASME dimensional and performance criteria for pressure fittings.

Installation Notes

This coupling is compatible with Schedule 40 steel pipe and intended for use in threaded pipe systems. Apply thread sealant or PTFE tape before installation. Use proper tools to tighten while maintaining alignment to avoid thread damage. Ensure compliance with relevant code and inspection requirements.

Application Scope

Used in gas distribution, fire sprinkler systems, non-potable water systems, compressed air, and mechanical piping applications. Suitable for both above-ground and indoor installations where corrosion resistance is beneficial but not extreme.

Material Performance

Galvanized malleable iron fittings are specified for environments where uncoated steel would be vulnerable to oxidation. However, they are not recommended for use with potable water in certain jurisdictions due to potential zinc leaching.

Technical Specifications

• Nominal Size: 2" Female NPT x 2" Female NPT
• Material: Hot-Dip Galvanized Malleable Iron
• Wall Type: Schedule 40 Pipe Compatibility
• Standards: ANSI/ASME B16.3, ASTM A197, and ANSI B1.20.1
• Operating Pressure: Varies by application; verify with system design

The 2" galvanized iron coupling is a reliable connection component for pressure-rated, corrosion-exposed piping systems. Built for longevity and system performance, it is an essential part of threaded pipe assemblies in commercial, industrial, and municipal projects.