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The B K/MUELLER INDS(IMPORT) 565-001HN is a 1-inch close galvanized steel pipe nipple used to create short, rigid connections in threaded pipe systems. A close nipple has no exposed center pipe between its two threaded ends, making it the tightest possible threaded coupling between two fittings or valves. The galvanized finish provides corrosion resistance for use in wet or outdoor environments. Plumbers and pipefitters install this nipple in water supply, gas distribution, and general mechanical piping systems wherever a minimal-length threaded connection is required.
This nipple is suited for residential and light commercial plumbing and mechanical piping applications. Typical uses include connecting two female-threaded fittings back to back, extending a valve directly to a fitting, or reducing overall spool length in tight spaces. The 1-inch nominal pipe size accommodates standard NPT threaded connections. Sold in packages of 10, making it practical for multi-connection jobs or stocking a service van.
Designed as an OEM-style replacement and standard-use fitting compatible with 1-inch NPT threaded pipe systems typical of residential and commercial plumbing, water supply, and mechanical piping applications.
Installation is performed by licensed plumbers or qualified pipefitters following applicable local codes and IPC guidelines. Always de-pressurize and drain the affected pipe section before removing or installing threaded fittings. Apply an approved thread sealant or PTFE tape to male threads before makeup. Hand-tighten first, then wrench-tighten to avoid cross-threading or over-torquing the galvanized finish.
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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