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The MERIT BRASS K414-3206 is a threaded pipe bushing designed to reduce a 2-inch male NPT connection down to a 3/8-inch female NPT port. Constructed from 304 stainless steel, this bushing delivers reliable corrosion resistance in wet, chemical-exposed, and outdoor piping environments. It carries a 150 psi pressure rating and meets ISO standards, making it suitable for industrial and commercial plumbing, process piping, and fluid handling systems. At 1-7/16 inches in length and 0.95 pounds, this is a compact, durable fitting installed by licensed plumbers and pipefitters during system assembly or retrofit work.
This bushing is used wherever a 2-inch pipe or fitting needs to transition to a 3/8-inch threaded connection. Common applications include industrial process lines, commercial plumbing headers, HVAC hydronic systems, and fluid transfer manifolds requiring a stainless steel reduction fitting. Its MNPT x FNPT end connections allow direct thread engagement into standard NPT-threaded fittings, valves, and equipment ports without adapters.
Designed as an OEM-style threaded reduction bushing for use in standard 2-inch NPT piping systems requiring a 3/8-inch female NPT outlet, compatible with any NPT-threaded valves, fittings, or equipment meeting 150 psi service requirements.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable IPC and ASME B1.20.1 threading standards. Depressurize and drain the system fully before removing or installing any threaded fittings. Apply appropriate thread sealant or PTFE tape to the male threads before assembly. Do not over-tighten; use a pipe wrench with steady, controlled torque to seat the fitting without cracking the threads.
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