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The ASC ENGINEERED SOLUTIONS 830023800 is a black steel close nipple in 1 inch pipe size, used to create a tight threaded connection between two female-threaded fittings with minimal gap between them. Close nipples are fully threaded end to end, leaving no unthreaded center. This fitting is commonly installed in gas piping, compressed air lines, and black iron plumbing systems. Plumbers, pipefitters, and HVAC technicians use close nipples when space between fittings is at a minimum and a standard nipple length cannot be accommodated. The fitting weighs 0.14 pounds and is manufactured from black steel.
This close nipple is suited for low-pressure gas distribution, compressed air, and general industrial piping applications where black steel pipe and fittings are specified. It is appropriate for both residential and light commercial installations. The 1 inch pipe size fits standard NPT-threaded female connections at that diameter. Installers use this fitting when transitioning directly from one threaded fitting to another, such as connecting a valve directly to a tee or coupling with no exposed pipe shank.
Designed as an OEM-style replacement close nipple for 1 inch black steel pipe systems using standard NPT threaded fittings.
Installation of black steel pipe fittings on gas lines must be performed by a licensed plumber or qualified pipefitter in accordance with IFGC and local code requirements. Shut off and verify zero pressure in the line before disassembling any threaded connections. Apply an approved pipe thread sealant or PTFE tape rated for gas service to male threads before assembly. Do not over-tighten, as close nipples are fully threaded and can be difficult to remove once installed in a system under torque.
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