Anvil 0320201817 Black Steel Coupling 1-1/4 in Class 300

Product Description

The ANVIL 0320201817 is a black-finish steel pipe coupling rated for Class 300 service at up to 300 psi. It features threaded end connections on both sides for joining two sections of pipe in a straight run. The steel construction and black finish make it suitable for gas, oil, and liquid distribution systems in both residential and light commercial piping applications. Licensed plumbers and pipefitters install this fitting as part of standard threaded pipe assemblies. At 1-1/4 inches in size, it fits common branch and main line diameters found in commercial and industrial piping layouts.

This coupling is designed for use in threaded black iron or steel pipe systems carrying gas or liquid media. It is suited for interior piping runs in residential, commercial, and light industrial settings where Class 300 pressure ratings are required. Typical installations include natural gas distribution, compressed air lines, and hydronic heating systems. It ships individually and is available in single-unit quantities.

Key Features

• Class 300 rated for liquid and gas service up to 300 psi
• Threaded end connections for standard black iron pipe assembly
• Steel construction provides durability in pressurized piping systems
• Black finish suitable for gas and oil service applications
• 1-1/4 inch fitting size fits common residential and commercial pipe diameters

Compatibility

Designed as an OEM-style replacement and standard fitting for Class 300 threaded black steel pipe systems in gas, liquid, and compressed air applications.

Installation Notes

Installation is performed by a licensed plumber or pipefitter following applicable local codes and IFGC or IPC requirements. Shut off and depressurize the line completely before removing or installing any threaded fittings. Apply appropriate thread sealant or PTFE tape to the male threads before hand-tightening and then wrench-tightening the coupling. Inspect the connection for leaks before returning the system to service.