Directedair dab08-05 Black Iron Union 1/2 Inch

Product Description

The DIRECTEDAIR dab08-05 is a 1/2 inch black iron union fitting designed for use in threaded pipe systems. Black iron unions allow a section of pipe to be disconnected without disturbing the rest of the run, making them a standard component in gas piping, compressed air lines, and similar systems. The fitting is manufactured to industry standards for both dimensional tolerances and material composition. Licensed plumbers, pipefitters, and gas technicians typically specify black iron unions where future serviceability of a piping segment is required.

This fitting is suited for residential and light commercial applications where a threaded black iron connection is needed. Common install scenarios include natural gas and propane distribution lines, boiler supply and return piping, and compressed air distribution. The 1/2 inch size is among the most frequently used in residential gas branch lines feeding appliances such as furnaces, water heaters, and dryers.

Key Features

• Black iron construction meets industry dimensional and material composition standards
• Union design allows pipe disconnection without disturbing adjacent sections of the run
• 1/2 inch size fits the most common residential gas branch line diameter
• Threaded ends compatible with standard NPT pipe threads

Compatibility

Designed as an OEM-style replacement or new-installation fitting for standard 1/2 inch threaded black iron pipe systems.

Installation Notes

Black iron union fittings are installed by licensed plumbers or gas fitters in jurisdictions governed by the International Fuel Gas Code or applicable local plumbing codes. Shut off the gas supply or system pressure and depressurize the line before beginning work. Apply an approved pipe thread sealant rated for gas service to all threaded connections. After installation, pressure-test all joints per applicable code requirements before returning the system to service.

Technical Specifications

• Pipe Size: 1/2 inch
• Material: Black Iron
• Connection Type: Threaded (NPT)
• Fitting Type: Union

Standard Information

• Brand: DIRECTEDAIR
• Manufacturer Part Number: dab08-05