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The ANVIL INTERNATIONAL INC 8700151551 is a 1-inch close galvanized steel nipple used to create short threaded pipe connections in plumbing, HVAC, and mechanical piping systems. A close nipple has threads running nearly the full length of the fitting with minimal unthreaded center, making it the right choice when two fittings need to be joined with virtually no gap. Licensed plumbers and pipefitters install these in low-pressure water supply, gas distribution, and general mechanical piping where a tight, corrosion-resistant connection is required. The hot-dip galvanized finish provides a zinc coating that resists rust in wet or outdoor environments.
This nipple is suited for residential and light commercial plumbing and mechanical applications. Common install scenarios include connecting valves, unions, and tees in water supply lines, boiler piping, and compressed air distribution. The 1-inch nominal thread size fits standard NPT fittings throughout those systems. It is sold in a package quantity of 25 units, making it practical for service trucks and job-site supply stock.
Designed as a standard OEM-style replacement or new-installation fitting compatible with 1-inch NPT threaded pipe fittings, valves, and couplings in residential and commercial mechanical piping systems.
Installation is performed by licensed plumbers or qualified pipefitters following applicable IPC and IFGC code requirements for the service type. Shut off and depressurize the line before removing or installing any threaded fitting. Apply a listed thread sealant or PTFE tape to the male threads before makeup to ensure a leak-free joint. Do not over-tighten threaded galvanized fittings, as excessive torque can crack female cast fittings.
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