1/4 inch Black Iron 90 Degree Street Elbow Female x Male

1/4 inch Black Malleable Iron 90° Street Elbow – For High-Integrity Threaded Connections

The 1/4 inch Black Malleable Iron 90-Degree Street Elbow is designed to provide a robust and secure threaded connection where directional changes are required in gas or water piping systems. With one male and one female threaded end, this fitting offers a compact transition, eliminating the need for an additional coupling when changing direction.

Manufactured from durable malleable iron, this elbow fitting conforms to ANSI and ASTM standards for pressure-bearing components and is suitable for use in systems that require resistance to mechanical stress and elevated temperatures. It is commonly applied in natural gas, LP gas, fire protection, and hydronic heating installations.

Product Features

• Material: Black malleable iron for strength and thermal resistance
• Connection Type: 1/4 inch FNPT x MNPT (female national pipe thread x male national pipe thread)
• Design: 90-degree street elbow with close radius for tight installations
• Temperature Range: Up to 500°F in steam or air applications
• Pressure Rating: Typically rated up to 150 psi for steam and 300 psi for water/oil/gas (WOG) systems
• Standards: Meets or exceeds ANSI B16.3 and ASTM A197/A153 specifications

Application Notes

This street elbow is commonly installed in rigid piping systems where threaded fittings are required, such as:

• Natural gas and propane distribution networks
• Steam and hot water heating lines
• Fire sprinkler branch connections
• Industrial air and oil supply lines

Installation Guidance

Use approved thread sealant or PTFE tape on all connections to ensure leak-free performance. Avoid overtightening, as this can damage threads or compromise the structural integrity of the fitting. Ensure alignment with existing pipe runs before final torque to prevent cross-threading or misalignment under pressure.

Did You Know?

Street elbows provide a unique space-saving advantage over standard elbows and couplings by offering a male-female configuration, reducing the number of fittings and overall footprint in compact system layouts.

The 1/4 inch Black Iron 90° Street Elbow provides professional-grade performance with precision threading and structural durability, making it a reliable choice for demanding piping systems where directional changes and compact assembly are required.