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The VALUE COLLECTION NB11050 is a black steel pipe nipple designed for threaded pipe assemblies in plumbing, HVAC, gas distribution, and industrial piping systems. Measuring 3 inches in diameter and 5 inches in length, this Schedule 40 nipple is threaded on both ends to ANSI B1.20.1 and ASME B1.20.1 standards, ensuring consistent thread form and reliable makeup with standard fittings. The black finish is typical for low-pressure gas and steam applications where galvanized coatings are not required. Licensed plumbers, pipefitters, and mechanical contractors install this type of fitting as a close or short connector between two threaded components in a piping run.
This nipple is suited for residential and light commercial piping systems including natural gas supply lines, steam distribution, and hydronic heating. It fits standard 3-inch NPT fittings, couplings, valves, and threaded flanges used across plumbing and mechanical systems. Its Schedule 40 wall thickness makes it appropriate for moderate-pressure service in both above-ground and in-wall installations where black steel pipe is specified by code or design.
Designed as a standard replacement or new-installation nipple for 3-inch NPT threaded piping systems using Schedule 40 black steel pipe and fittings conforming to ANSI and ASME B1.20.1 thread standards.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local mechanical and plumbing codes. Shut off and depressurize the piping system completely before removing or installing any threaded fitting. Apply appropriate thread sealant or PTFE tape to the male threads before makeup — never use sealant on the first thread. Tighten to proper engagement using a pipe wrench; do not over-tighten, as this can stress fittings or distort threads.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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