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The B K Mueller Industries 584-060HN is a black steel pipe nipple sized at 3/4 inch diameter by 6 inches in length. Pipe nipples are short threaded pipe sections used to connect fittings, valves, and other piping components in a run. This nipple ships in a package quantity of 15 units, making it a practical option for jobs requiring multiple connections. The black finish indicates an uncoated steel construction typical of gas and industrial piping applications. Plumbers and pipefitters install these as standard threaded connectors in both new construction and retrofit work.
This nipple is suited for residential and light commercial gas distribution piping, including natural gas and propane supply lines, as well as black iron water and industrial fluid systems where black steel pipe is specified. The 3/4 inch size is a common diameter in branch gas lines feeding appliances such as furnaces, boilers, water heaters, and ranges. It is also used in fire suppression and compressed air systems where black steel is the approved material.
Designed as a standard NPT-threaded black steel pipe nipple for use with 3/4 inch black iron fittings, valves, and couplings in gas, industrial, and mechanical piping systems.
Black steel pipe nipples are installed by licensed plumbers or pipefitters following applicable code requirements such as the IFGC or IPC. Shut off and depressurize the gas or fluid supply before disconnecting or installing any threaded fitting. Apply an approved thread sealant or PTFE tape rated for the intended service medium to all male threads before assembly. Do not over-tighten threaded connections; verify all joints for leaks after restoring pressure.
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