783-004

This 3/4-inch black malleable steel coupling is a high-strength plumbing fitting designed to connect two lengths of threaded pipe in a straight line. Engineered for durability and a secure fit, this coupler is an essential component for residential and commercial gas line installations, including natural gas and propane systems. Its heavy-duty malleable iron construction provides excellent pressure ratings and resistance to wear, making it ideal for connecting gas ranges, water heaters, furnaces, and boilers. The black finish is specifically designed for oil and gas applications where corrosion resistance is required for non-potable water, steam, and air lines. Whether you are repairing a gas supply line or installing a new appliance, this standard NPT threaded coupling ensures a reliable, leak-proof connection.
Type: Steel Pipe Fitting
Size: 3/4 inch
Dimensions: Standard coupling length × 3/4 inch nominal pipe size
Application: Commonly used in gas line installations for ranges, ovens, water heaters, furnaces, and steam heating systems. Suitable for natural gas, propane, and low-pressure steam applications.
Specifications: Material: Malleable Steel/Iron; Finish: Black; Threading: Female NPT (National Pipe Thread); Class: Standard pressure rating.