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The ASC Engineered Solutions 830037008 is a black steel close nipple in a 2-inch pipe size, used to connect two female-threaded fittings with minimal spacing between them. A close nipple has threads running the full length of the body, leaving little to no exposed unthreaded center. This makes it the right choice when two fittings need to sit as tight together as the thread engagement allows. It is a standard plumbing and gas piping component installed by licensed plumbers, pipefitters, and HVAC technicians working on black iron systems.
This close nipple is commonly used in residential and light commercial gas piping, steam systems, and non-potable water piping applications where black steel pipe is the specified material. It is appropriate for use in natural gas, propane, and steam distribution systems that call for black iron fittings. The 2-inch size fits mid-range pipe runs where higher flow capacity is needed compared to smaller diameter nipples.
Designed as an OEM-style replacement or standard-stock close nipple for 2-inch black iron pipe systems. Compatible with any standard female NPT fittings rated for the intended service pressure and fluid type.
Close nipples should be installed by a licensed plumber or pipefitter following applicable local codes, including IFGC requirements for gas piping systems. Shut off and depressurize the line fully before removing or installing any threaded fitting. Apply an approved pipe thread sealant or PTFE tape rated for the service medium before making up the connection. Do not use close nipples in applications where future disassembly is required without a union, as the lack of a wrench flat can make removal difficult.
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