The 501569 3/4 in Black Union is a malleable iron threaded pipe fitting designed to join two sections of black steel pipe while allowing convenient future disassembly without cutting or modifying the piping system. Built for strength and durability, this union is commonly used in gas, oil, compressed air, and other non-potable fluid applications where a secure threaded connection and maintenance accessibility are important. Its black iron construction provides reliable performance in residential, commercial, and light industrial piping systems.
Key Features
Durable black malleable iron construction for long service life
3/4 in female threaded connections for standard black pipe installations
Three-piece union design allows easy pipe removal and maintenance
Suitable for gas, oil, and compressed air systems
Threaded connection provides a secure and dependable seal
Designed for use with black steel pipe and fittings
Compatible with residential, commercial, and industrial applications
Factory-tested for reliable piping performance
Specifications
Model Number: 501569
Product Type: Black Union
Size: 3/4 in
Connection Type: Female Iron Pipe (FIP) Threaded
Material: Black Malleable Iron
Finish: Black
Fitting Class: 150 lb Malleable Iron Fitting
Pressure Rating: Up to 500 PSI
Temperature Rating: Up to 150°F
Thread Standard: ANSI/ASME B1.20.1
Suitable Media: Natural gas, propane, oil, air, and other non-potable systems