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The B K/MUELLER INDS(IMPORT) 585-030HN is a black steel pipe nipple used to connect threaded pipe fittings in gas, air, and water distribution systems. The nipple measures 1 inch in diameter and 3 inches in length, with male NPT threads on both ends. Black pipe nipples are a standard component in low-pressure gas piping, compressed air lines, and industrial fluid transport. Licensed plumbers, pipefitters, and HVAC technicians install these as part of rough-in and service work on residential and commercial systems. The black finish is the standard designation for carbon steel pipe not intended for potable water service.
This nipple is suited for use in natural gas and propane distribution piping, compressed air supply lines, and general industrial fluid systems where black steel pipe and fittings are specified. It threads directly into standard NPT fittings, valves, unions, and tees. Sold in a package quantity of 5, it is appropriate for both new installations and repair or replacement work on existing threaded-pipe systems.
Designed as an OEM-style replacement or standard component for use in threaded black steel pipe systems conforming to NPT fitting standards.
Installation should be performed by a licensed plumber, pipefitter, or HVAC technician in accordance with applicable codes such as the IFGC and IPC. Shut off gas or air supply and depressurize the line before beginning any threaded pipe work. Apply an appropriate thread sealant or PTFE tape rated for the service medium before making up the joint. Do not over-tighten; follow standard pipefitting practice for hand-tight plus wrench turns based on pipe size.
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