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The MERIT BRASS XNL116-04 is a 1/4 inch nominal brass pipe cap with a Female National Pipe Taper (FNPT) end style, rated at 125 lb. Designed to close off the end of a threaded pipe run, this cap provides a secure, leak-resistant termination in low-pressure piping systems. The rough brass finish makes it suitable for systems where a polished aesthetic is not required. Plumbers and pipefitters install this fitting in residential and light commercial applications where a reliable threaded pipe termination is needed.
This pipe cap is used to dead-end a threaded pipe line in water supply, compressed air, gas distribution, and general plumbing systems. Its FNPT connection threads directly onto male NPT pipe ends, making it a straightforward field installation. The 125 lb pressure rating fits standard service conditions found in residential and light commercial piping systems.
Designed as an OEM-style replacement and standard fitting for 1/4 inch nominal NPT threaded pipe systems in residential and light commercial plumbing and mechanical applications.
Installation is performed by a licensed plumber or qualified pipefitter. Shut off and depressurize the pipe system before threading on the cap. Apply an appropriate thread sealant or PTFE tape to the male NPT threads before installation. Tighten to hand-snug plus the appropriate number of turns per applicable IPC or IFGC guidelines for threaded fittings; do not overtighten brass fittings.
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